Definition of weed Weed
/wiˈd/ - [weed] - weed
We found 38 definitions of weed from 7 different sources.
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What does weed mean?
WordNet
NounPlural: weeds |
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| weed - any plant that crowds out cultivated plants | ||
| cultivated plant plants that are grown for their produce | ||
| tracheophyte, vascular plant green plant having a vascular system: ferns, gymnosperms, angiosperms | ||
| agrostemma githago, corn campion, corn cockle, crown-of-the-field European annual having large trumpet-shaped reddish-purple flowers and poisonous seed; a common weed in grainfields and beside roadways; naturalized in America | ||
| knawe, knawel, scleranthus annuus widely distributed low-growing Eurasian herb having narrow leaves and inconspicuous green flowers | ||
| corn spurrey, corn spurry, spergula arvensis small European weed with whorled leaves and white flowers | ||
| sand spurry, sea spurry, spergularia rubra prostrate weedy herb with tiny pink flowers; widespread throughout Europe and Asia on sand dunes and heath and coastal cliffs; naturalized in eastern North America | ||
| carpetweed, indian chickweed, molluga verticillata annual prostrate mat-forming weed having whorled leaves and small greenish-white flowers; widespread throughout North America | ||
| alligator grass, alligator weed, alternanthera philoxeroides prolific South American aquatic weed having grasslike leaves and short spikes of white flowers; clogs waterways with dense floating masses | ||
| barbarea vulgaris, rocket cress, sisymbrium barbarea, yellow rocket, rockcress noxious cress with yellow flowers; sometimes placed in genus Sisymbrium | ||
| erysimum cheiranthoides, wormseed mustard slender yellow-flowered European mustard often troublesome as a weed; formerly used as an anthelmintic | ||
| jointed charlock, raphanus raphanistrum, runch, wild radish, wild rape Eurasian weed having yellow or mauve or white flowers and podlike fruits | ||
| pennycress any of several plants of the genus Thlaspi | ||
| bitterweed, ragweed, ambrosia any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma | ||
| thistle any of numerous plants of the family Compositae and especially of the genera Carduus and Cirsium and Onopordum having prickly-edged leaves | ||
| barnaby's thistle, centaurea solstitialis, yellow star-thistle European weed having a winged stem and hairy leaves; adventive in the eastern United States | ||
| canadian fleabane, conyza canadensis, erigeron canadensis, horseweed, fleabane common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron | ||
| erechtites hieracifolia, fireweed an American weedy plant with small white or greenish flowers | ||
| hieracium praealtum, king devil, yellow hawkweed European hawkweed introduced into northeastern United States; locally troublesome weeds | ||
| california dandelion, capeweed, gosmore, hypochaeris radicata, cat's-ear European weed widely naturalized in North America having yellow flower heads and leaves resembling a cat's ears | ||
| bastard feverfew, parthenium hysterophorus tropical American annual weed with small radiate heads of white flowers; adventive in southern United States | ||
| bristly oxtongue, oxtongue, picris echioides, bitterweed, bugloss widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States | ||
| hieracium aurantiacum, orange hawkweed, pilosella aurantiaca European hawkweed having flower heads with bright orange-red rays; a troublesome weed especially as naturalized in northeastern North America; sometimes placed in genus Hieracium | ||
| senecio doublasii, threadleaf groundsel bluish-green bushy leafy plant covered with close white wool and bearing branched clusters of yellow flower heads; southwestern United States; toxic to range livestock | ||
| benweed, senecio jacobaea, tansy ragwort, ragweed, ragwort any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma | ||
| groundsel, senecio vulgaris Eurasian weed with heads of small yellow flowers | ||
| cockle-bur, cockle-burr, cockleburr, cocklebur any coarse weed of the genus Xanthium having spiny burrs | ||
| nettle any of numerous plants having stinging hairs that cause skin irritation on contact (especially of the genus Urtica or family Urticaceae) | ||
| tumbleweed bushy plant of western United States | ||
| weed - a black band worn by a man (on the arm or hat) as a sign of mourning | ||
| mourning band | ||
| weed - street names for marijuana | ||
| pot, grass, green goddess, dope, gage, sess, sens, smoke, skunk, locoweed, Mary Jane | ||
| cannabis, ganja, marihuana, marijuana the most commonly used illicit drug; considered a soft drug, it consists of the dried leaves of the hemp plant; smoked or chewed for euphoric effect | ||
Verb |
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| weed - clear of weeds; "weed the garden" | ||
| take away, remove, withdraw, take take out or remove; "take out the chicken after adding the vegetables" | ||
| stub strike (one's toe) accidentally against an object; "She stubbed her toe in the dark and now it's broken" | ||
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Wiktionary 
- weed (Noun)
Any plant growing in cultivated ground to the injury of the crop or desired vegetation, or to the disfigurement of the place; an unsightly, useless, or injurious plant. - weed (Noun)
A species of plant considered harmful to the environment or regarded as a nuisance. - weed (Noun)
Short for duckweed. - weed (Noun)
Marijuana. - weed (Noun)
Tobacco. - weed (Noun)
A cigar. - weed (Noun)
A horse unfit to breed from. - weed (Noun)
A puny person; one who has with little physical strength. - weed (Noun)
A sudden illness or relapse, often attended with fever, which attacks women in childbed. - weed (Noun)
Underbrush; low shrubs. - weed (Noun)
Something unprofitable or troublesome; anything useless. - weed (Noun)
A garment or piece of clothing. - weed (Noun)
Clothing collectively; clothes, dress. - weed (Noun)
Widow's weeds Female mourning apparel. - weed (Verb)
To remove unwanted vegetation from a cultivated area.
Webster DictionaryWebster's Unabridged Dictionary 📘
- weed (n.)
A garment; clothing; especially, an upper or outer garment. - weed (n.)
An article of dress worn in token of grief; a mourning garment or badge; as, he wore a weed on his hat; especially, in the plural, mourning garb, as of a woman; as, a widow's weeds. - weed (n.)
A sudden illness or relapse, often attended with fever, which attacks women in childbed. - weed (n.)
Underbrush; low shrubs. - weed (n.)
Any plant growing in cultivated ground to the injury of the crop or desired vegetation, or to the disfigurement of the place; an unsightly, useless, or injurious plant. - weed (n.)
Fig.: Something unprofitable or troublesome; anything useless. - weed (n.)
An animal unfit to breed from. - weed (n.)
Tobacco, or a cigar. - weed (v. t.)
To free from noxious plants; to clear of weeds; as, to weed corn or onions; to weed a garden. - weed (v. t.)
To take away, as noxious plants; to remove, as something hurtful; to extirpate. - weed (v. t.)
To free from anything hurtful or offensive. - weed (v. t.)
To reject as unfit for breeding purposes.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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weed
Any plant that grows wild and profusely, especially one that grows among cultivated plants, depriving them of space, food, etc. -
weed
A drug prepared from the cannabis plant, that is smoked or ingested for its euphoric effect. -
weed
To pull out weeds by hand. -
weed
To clear (a cultivated area) of weeds (unwanted vegetation).
Sailor's Word-BookThe Sailor's Word-Book ⛵
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weed
To clear the rigging of stops, rope-yarns, and pieces of oakum.
Wikipedia 
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A weed is a plant that someone thinks is bad, because it is growing in the wrong place. Trees are not often called weeds, only smaller plants.
If someone is farming a plant and it then moves outside the farm, the plant may then be called a weed.
Some plants are very hard to stop once they start growing. These are called invasive weeds.
Weed is also a name for any wild plant, one that people do not use for anything.
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