1a wild plant growing where it is not wanted and in competition with cultivated plants:keep the seedlings clear of weeds
[mass noun] any wild plant growing in salt or fresh water:at the far side of the beach the rocks began, some humped with brown weed
[mass noun] informal cannabis.
(the weed) informal tobacco:smokers are advised to eat more fruit, as the weed can increase the risk of gastric cancer
2British informal a contemptibly feeble person:he thought party games were for weeds and wets
3 informal a leggy, loosely built horse:my tiny bay weed could jump like a stag
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Universal
1remove unwanted plants from (an area of ground):I was weeding a flower bed
2 (weed someone/thing out) remove an inferior or unwanted component of a group or collection:we must raise the level of research and weed out the poorest work
