vénéneux bedeutet auf Englisch

poisonous▼◼◼◼(containing sufficient poison to be dangerous)
adjective
[UK: ˈpɔɪ.zə.nəs] [US: ˌpɔɪ.zə.nəs]I have not eaten any poisonous mushrooms! = Je n'ai mangé aucun champignon vénéneux !

venomous▼◼◼◻adjective
[UK: ˈve.nə.məs] [US: ˈve.nə.məs]

venomous▼◼◼◻(pertaining to or denoting an animal capable of producing a poisonous chemical)
adjective
[UK: ˈve.nə.məs] [US: ˈve.nə.məs]

toadstool [toadstools]▼◼◼◼(an inedible or poisonous mushroom)
noun
[UK: ˈtəʊd.stuːl] [US: ˈtoʊd.stuːl]

poison ivy▼◼◼◼(one of several ivy-like urushiol-producing plants)
noun
[UK: ˈpɔɪz.n̩ ˈaɪ.vi] [US: ˈpɔɪz.n̩ ˈaɪ.vi]