Resembling a weed or some aspect of one.(adjective)
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Use "weedlike" in a sentence
"The newcomer, vincristine, was a poisonous plant-alkaloid that came from the Madagascar periwinkle, a small, weedlike creeper with violet flowers and an entwined, coiled stem."
"A false axiom with weedlike durability: the Phillips curve."
"Ironically, some of them are even considered weedlike and are ripped out by the dozens."