- 1[countable] a wild plant growing where it is not wanted, especially among crops or garden plants The yard was overgrown with weeds.
- 2[uncountable] any wild plant without flowers that grows in water and forms a green floating mass
- 3[uncountable] (informal) the drug cannabis
- 4the weed [singular] (humorous) tobacco or cigarettes I wish I could give up the weed (= stop smoking).
Check pronunciation: weed