Another Word for Weed: 30 Synonyms With Examples

The best word for weed depends on its meaning. For a garden plant, try pest, invader, or undergrowth. For the drug, try marijuana, cannabis, or pot.

The word also has other senses. It can mean a weak person, a tobacco leaf, or the act of pulling weeds. So context decides the right choice.

Quick list: marijuana, cannabis, pot, grass, herb, undergrowth, tares, uproot, weakling, tobacco

This article looks at 30 alternatives. Each one has a meaning, IPA, usage note, and example. You will also see tables, word pairs, and word partners.

At a Glance: Weed Synonyms and Related Alternatives

Alternative	Part of Speech	Meaning	Register / Tone	Ideal Context
marijuana	noun	The drug from the cannabis plant	Neutral	News, law, everyday talk
cannabis	noun	The plant and its drug	Formal	Medical and science writing
pot	noun	Casual word for marijuana	Informal	Friendly talk
tares	noun	Weeds in grain fields	Literary	Bible and farm stories
undergrowth	noun	Thick small plants under trees	Neutral	Nature writing
uproot	verb	Pull a plant out by its roots	Neutral	Gardening
cull	verb	Remove weak or poor parts	Neutral	Lists, groups, herds
weakling	noun	A weak person	Informal, rude	Old-style insults
wimp	noun	A person who seems weak or afraid	Informal	Casual talk
tobacco	noun	A plant smoked for its leaves	Neutral	Old texts, farming

Which Word Should You Use?

If you want to…	Use	Why
Name an unwanted garden plant	pest	It is plain and clear for gardeners.
Describe wild plants under trees	undergrowth	It covers the whole mass of small plants.
Write about the drug in the news	marijuana	It is the standard word in news and law.
Write a medical or science text	cannabis	It sounds formal and exact.
Sound casual with friends	pot	It is short and common in speech.
Pull plants from soil	uproot	It shows you take out the roots.
Remove weak choices from a list	cull	It fits the figurative sense of weed out.
Describe a weak person	weakling	It matches the old informal sense of weed.

Exploring the Multiple Meanings of “Weed”

1. Unwanted Plant

• Meaning: A plant that grows where people do not want it.
• Explanation: Weeds often grow fast and crowd out crops. Gardeners judge a plant by its place, not its type.
• Example: She pulled the weeds from the carrot bed.

2. Cannabis

• Meaning: An informal word for marijuana.
• Explanation: This sense is casual and became common in the 20th century. Avoid it in formal writing.
• Example: Police said the park smelled like weed.

3. To Remove Weeds

• Meaning: To pull unwanted plants out of soil.
• Explanation: The verb also works in a figurative way. To weed out means to remove what is poor or unwanted.
• Example: He weeds the garden every Sunday morning.

4. Weak or Thin Person

• Meaning: An informal and often rude word for a weak or thin person.
• Explanation: Few people use this sense today. It can sound hurtful.
• Example: The coach called him a weed, and he felt hurt.

5. Tobacco

• Meaning: An old word for tobacco, often written as “the weed”.
• Explanation: Writers used it from about 1600. Today it sounds dated.
• Example: Old stories often call tobacco the weed.

6. Mourning Clothes

• Meaning: Black clothes that a person wears after a death.
• Explanation: This form is always plural, as in “widow’s weeds”. It comes from a different Old English word that meant garment.
• Example: The widow wore her weeds for a full year.

Sources: Merriam-Webster, Collins Dictionary, Dictionary.com, Etymonline

Analyzing 30 Weed Alternatives in Detail

Some alternatives are direct synonyms. Others are related words that fit only one sense of weed.

Garden and Wild Plant Alternatives

1. Pest

IPA: /pɛst/ (US and UK)

Definition: A pest is a living thing that harms crops or gardens. It also can mean a plant that spreads fast.

• Usage: This is a related word, not an exact synonym. However, gardeners often say pest plant for a weed.
• Example: Bindweed is a real pest in our vegetable garden.

2. Invader

IPA: US /ɪnˈveɪdər/ · UK /ɪnˈveɪdə/

Definition: An invader is a plant that spreads into places where it does not belong. It also often harms local plants.

• Usage: This is a related word for fast-spreading weeds. For example, scientists call such plants invaders.
• Example: Japanese knotweed is a fast invader along the river bank.

3. Tares

IPA: US /tɛrz/ · UK /teəz/

Definition: Tares are weeds that grow among wheat and other grain. The word also appears in an old Bible story.

• Usage: This is a literary word, so it sounds old. In fact, most people now meet it only in the Bible.
• Example: The farmer found tares growing between the rows of wheat.

4. Volunteer

IPA: US /ˌvɑːlənˈtɪr/ · UK /ˌvɒlənˈtɪə/

Definition: A volunteer is a plant that grows on its own. It also can mean a crop that returns without new seed.

• Usage: This is a related word, not a full synonym. Gardeners use it, however, for plants that appear in odd places.
• Example: A tomato volunteer sprouted in the middle of our flower bed.

5. Undergrowth

IPA: US /ˈʌndərɡroʊθ/ · UK /ˈʌndəɡrəʊθ/

Definition: Undergrowth is the thick mass of small plants under tall trees. It also includes weeds, bushes, and brambles.

• Usage: This is a related word and it is wider than weed. Still, it fits wild places better than a tidy garden.
• Example: We pushed through the thick undergrowth to reach the stream.

6. Scrub

IPA: /skrʌb/ (US and UK)

Definition: Scrub is rough land covered with low bushes and weeds. It also names the plants themselves.

• Usage: This is a related word for wild plants, not a close synonym. However, it rarely means one single plant.
• Example: Goats cleared the scrub from the dry hillside.

Everyday Words for Cannabis

7. Marijuana

IPA: US /ˌmærəˈwɑːnə/ · UK /ˌmærɪˈwɑːnə/

Definition: Marijuana is the dried leaves and flowers of the cannabis plant. It also names the drug people smoke or eat.

• Usage: This is the standard word in news and law. In fact, it is the closest plain synonym for the drug sense of weed.
• Example: The new law covers the sale of marijuana in shops.

8. Cannabis

IPA: /ˈkænəbɪs/ (US and UK)

Definition: Cannabis is the plant that gives us marijuana and hemp. It also is the plant’s scientific name.

• Usage: This is a neutral and formal choice. For example, medical writers prefer it to slang.
• Example: Doctors study how cannabis may help with some kinds of pain.

9. Pot

IPA: US /pɑːt/ · UK /pɒt/

Definition: Pot is an informal word for marijuana. It also appears in the word pothead.

• Usage: It is casual, so avoid it in formal writing. Still, it is common in speech.
• Example: He admitted that he had tried pot once in college.

10. Grass

IPA: US /ɡræs/ · UK /ɡrɑːs/

Definition: Grass is a slang word for marijuana. It also names the green plant on lawns, so context matters.

• Usage: This slang sounds dated in many places. However, older films and songs often use it.
• Example: Police found a bag of grass in his car.

11. Herb

IPA: US /ɜːrb/ · UK /hɜːb/

Definition: Herb can mean a plant used for flavor or medicine. It also serves as a mild slang word for marijuana.

• Usage: This is a related word, so check the context. For example, herb in a recipe never means the drug.
• Example: The song jokes about a man who smokes herb all day.

12. Hemp

IPA: /hɛmp/ (US and UK)

Definition: Hemp is a type of cannabis grown for fiber and seed. It also names the strong rope or cloth made from it.

• Usage: This is a related word, not a full synonym. In fact, hemp has very little of the part that makes people high.
• Example: The company makes sturdy bags from hemp fiber.

Slang and Informal Words for Cannabis

13. Ganja

IPA: US /ˈɡɑːndʒə/ · UK /ˈɡændʒə/

Definition: Ganja is a word for marijuana that comes from Hindi. It also links to Jamaican culture.

• Usage: It is informal. However, it fits music and Caribbean topics well.
• Example: The singer joked about ganja in his latest reggae song.

14. Dope

IPA: US /doʊp/ · UK /dəʊp/

Definition: Dope is a slang word for marijuana or other drugs. It also can mean a fool, so take care.

• Usage: This slang is broad, so it may mean any drug. Still, some people use it for marijuana only.
• Example: Police said the car smelled strongly of dope.

15. Reefer

IPA: US /ˈriːfər/ · UK /ˈriːfə/

Definition: Reefer is an old slang word for a marijuana cigarette. It also sounds old-fashioned today.

• Usage: Writers use it for stories set in the past. However, few people say it now.
• Example: The old jazz song mentions a man with a reefer.

16. Bud

IPA: /bʌd/ (US and UK)

Definition: Bud is the flower part of the cannabis plant. It also means the part that shops sell.

• Usage: This word is more exact than weed. For example, shops often sell bud by the gram.
• Example: The shop sells bud by the gram in sealed jars.

17. Mary Jane

IPA: US /ˌmɛri ˈdʒeɪn/ · UK /ˌmeəri ˈdʒeɪn/

Definition: Mary Jane is a playful name for marijuana. It also sounds a bit old-fashioned.

• Usage: This is informal and a little funny. Still, you may see it in songs and shop names.
• Example: Her uncle always called marijuana by the name Mary Jane.

Verb Alternatives: Removing Weeds

18. Uproot

IPA: /ʌpˈruːt/ (US and UK)

Definition: To uproot means to pull a plant out with its roots. It also can mean to move people from their home.

• Usage: This is a close match for the verb weed. For example, you can uproot a weed by hand.
• Example: He uproots the thistles before they can spread seeds.

19. Hoe

IPA: US /hoʊ/ · UK /həʊ/

Definition: To hoe means to loosen soil and cut weeds with a garden tool. It also names the tool itself.

• Usage: This is a related verb that names the tool you use. In fact, it sounds more physical than weed.
• Example: Every Saturday she hoes the rows between the beans.

20. Clear

IPA: US /klɪr/ · UK /klɪə/

Definition: To clear means to take unwanted things out of a space. It also works for removing weeds from land.

• Usage: This is a general verb, so it is less exact than weed. However, it fits a whole bed or plot well.
• Example: We cleared the old flower bed before spring planting.

21. Cull

IPA: /kʌl/ (US and UK)

Definition: To cull means to pick out and remove the weakest parts of a group. It also can mean to gather the best.

• Usage: This matches the figurative sense of weed out. For example, a manager can cull a long list of names.
• Example: The editor culled the weakest stories from the collection.

22. Eliminate

IPA: /ɪˈlɪmɪneɪt/ (US and UK)

Definition: To eliminate means to get rid of something fully. It also fits both plants and problems.

• Usage: This is a formal match for weed out. Still, it sounds stronger than weed.
• Example: The coach tried to eliminate small mistakes from the team’s play.

Words for a Weak or Thin Person

23. Weakling

IPA: /ˈwiːklɪŋ/ (US and UK)

Definition: A weakling is a person who lacks strength. It also can mean someone who lacks courage.

• Usage: This fits the informal sense of weed as a weak person. However, it can sound rude today.
• Example: He hated being called a weakling in school.

24. Wimp

IPA: /wɪmp/ (US and UK)

Definition: A wimp is a person who seems weak or afraid. It also sounds playful among friends.

• Usage: This is informal and can hurt. In fact, people often say it as a joke.
• Example: Don’t be a wimp and jump into the cold lake.

25. Milksop

IPA: US /ˈmɪlksɑːp/ · UK /ˈmɪlksɒp/

Definition: A milksop is a timid man who lacks courage. It also is a very old word.

• Usage: This word is literary and rare. For example, you will find it in older novels.
• Example: The knight called his rival a milksop in front of the crowd.

26. Drip

IPA: /drɪp/ (US and UK)

Definition: A drip is a dull or weak person. It also sounds a little old-fashioned.

• Usage: This is a related word for a weak or dull person. Still, it does not mean thin.
• Example: Her brother thinks the new boss is a bit of a drip.

27. Runt

IPA: /rʌnt/ (US and UK)

Definition: A runt is a small or weak person or animal. It also often means the smallest in a litter.

• Usage: This is a related word and it is mostly about size. However, it works as an insult for people.
• Example: The runt of the litter grew into a strong dog.

Tobacco and Mourning Senses

28. Tobacco

IPA: US /təˈbækoʊ/ · UK /təˈbækəʊ/

Definition: Tobacco is a plant whose dried leaves people smoke. It also was once called the weed in English.

• Usage: This is an old sense of weed. In fact, writers used the weed for tobacco in earlier centuries.
• Example: My grandfather grew tobacco on a small farm in Kentucky.

29. Cigar

IPA: US /sɪˈɡɑːr/ · UK /sɪˈɡɑː/

Definition: A cigar is a roll of dried tobacco leaves for smoking. Some old sources also call it a weed.

• Usage: This is a rare and dated sense. Still, you may find it in old books.
• Example: He lit a cigar on the porch after dinner.

30. Mourning

IPA: US /ˈmɔːrnɪŋ/ · UK /ˈmɔːnɪŋ/

Definition: Mourning is the black clothing that people wear after a death. It also means the time of grief.

• Usage: This matches widow’s weeds. However, that weeds is a different word with its own origin.
• Example: The widow wore black as part of her mourning.

Sources: Merriam-Webster, Collins Dictionary and Thesaurus, Dictionary.com, Etymonline

Weed vs. Marijuana vs. Cannabis vs. Hemp

These four words overlap, but they are not the same. The right choice depends on your reader and your topic.

Word	What It Means	Tone	Typical Use
weed	Informal word for marijuana	Casual	Everyday talk
marijuana	The drug from the plant	Neutral	News and law
cannabis	The plant and its drug	Formal	Medical and science texts
hemp	Cannabis grown for fiber and seed	Neutral	Farming, cloth, food

In short, weed and marijuana name the drug. Cannabis names both the plant and the drug. Hemp is a related plant with little of the drug in it.

Sources: Merriam-Webster, Collins Dictionary, Dictionary.com

Weed and Opposite/Paired Word Pairs

Word	Paired Word	Note
weed (plant)	crop	A weed is a plant that is not the crop you want.
weed (plant)	flower	Gardeners often contrast weeds with flowers.
weed (verb)	sow	You sow seeds, but you weed out unwanted plants.
weed out	keep	You weed out the poor and keep the good.
weed	feed	Weed and feed is a lawn product that kills weeds and feeds grass.
weed (weak person)	strongman	One word shows weakness and the other shows power.

Weed has no single perfect opposite. Its best contrast depends on the sense. For plants, think crop or flower. For the verb, think sow or keep.

Sources: Merriam-Webster, Collins Dictionary

Common Word Partners of “Weed”

Pattern	Common Partners	Example
adjective + weed	common, noxious, invasive, stubborn	Noxious weeds can ruin a hay field.
weed + noun	killer, control, seed, barrier	She sprayed weed killer along the path.
verb + weeds	pull, clear, kill, spray	We pulled weeds for an hour.
weed + garden word	the garden, the lawn, the flower bed	He weeds the lawn every weekend.
weed-free + noun	lawn, field, bed	They want a weed-free lawn by summer.
verb + weed (drug)	smoke, grow, buy	The state lets adults grow weed at home.

Sources: Collins Dictionary, Merriam-Webster, Dictionary.com

Idiomatic Phrases Featuring “Weed”

Three items below are idioms or proverbs. The last one is an established expression.

1. Weed out

• Meaning: To remove unwanted people or things from a group.
• Example: The company will weed out weak applicants in the first round.

2. Grow like a weed

• Meaning: To grow very fast, often said about children or plants.
• Example: My nephew grows like a weed and needs new shoes again.

3. Ill weeds grow apace

• Meaning: Bad things spread faster than good things. This is an old proverb.
• Example: My aunt said ill weeds grow apace when the gossip spread.

4. Widow’s weeds

• Meaning: Black clothes that a widow wears in mourning. It is a fixed expression, not a true idiom.
• Example: In the old novel, she wore widow’s weeds for a year.

Sources: Merriam-Webster, Collins Dictionary, Dictionary.com

Word Formation of “Weed”

Etymology & Structure

Weed comes from Old English wēod, which meant grass, herb, or weed. It is a short root word with no prefix or suffix. Its older roots are unclear.

Date and History

The plant sense is very old and dates to the Old English period. The verb also comes from Old English. The tobacco sense dates to about 1600. Etymonline places the marijuana sense in the late 1920s.

Word Class Variations

• Noun: weed, weeds
• Verb: weed, weeds, weeded, weeding
• Adjective: weedy (full of weeds, or thin and weak)
• Noun, derived: weeder (a person or tool), weediness
• Adverb: none

Sources: Etymonline, Merriam-Webster, Collins Dictionary

Common Word-Choice Mistakes

• Weed the weeds: say weed the garden or pull the weeds.
• Weed out the garden: say weed the garden, or weed out bad ideas.
• Hemp and marijuana are the same: they share a species, but hemp has little THC.
• Tares in a modern garden guide: use weeds, since tares sounds Biblical.
• Pot in a school essay: use marijuana or cannabis.
• Widow’s weed: use widow’s weeds, always in the plural.
• A weedy person as praise: weedy means thin and weak.

FAQS

What is the closest synonym for weed?

For a plant, the nearest word is pest plant. For the drug, it is marijuana.

What is a formal word for weed the drug?

Cannabis is the formal choice. Marijuana is the standard word in news.

What is the difference between weed and hemp?

Both come from cannabis. Hemp has very little THC and people grow it for fiber and seed.

What are common slang words for weed?

Common slang includes pot, grass, herb, ganja, and Mary Jane. Dope is broader and may mean other drugs.

What is another word for weed as a verb?

Try uproot, hoe, or clear. Each one shows a slightly different way to remove weeds.

What does weed out mean?

It means to remove unwanted or poor items from a group. Managers often weed out weak choices.

Can weed describe a person?

Yes, it can mean a weak or thin person. However, it sounds rude and dated.

What is the opposite of weed?

For a plant, the opposite is a crop or a flower. For the verb, it is sow.

What are widow’s weeds?

They are the black clothes a widow wears in mourning. This weeds comes from a different Old English word.

Is a weed always a bad plant?

No. A weed is a plant in the wrong place. A dandelion can be food in one yard and a pest in another.

Conclusion

The closest everyday words for weed depend on its sense. Use pest or undergrowth for plants.

Context matters most. Pot is casual, but cannabis is formal. Weakling is rude, but cull is neutral. Hemp is related, but it is not the same as marijuana.

First, find the sense you need. Next, check the tone of your text. Finally, pick the word that fits your reader.