poisonous
1poisonous — poisonous, venomous, virulent, toxic, mephitic, pestilent, pestilential, miasmic, miasmatic, miasmal are comparable when they mean having the properties or the effects of poison (see POISON) Basically poisonous implies that the thing so described …
2Poisonous — Poi son*ous, a. Having the qualities or effects of poison; venomous; baneful; corrupting; noxious. Shak. {Poi son*ous*ly}, adv. {Poi son*ous*ness}, n. [1913 Webster] …
3poisonous — index deadly, deleterious, fatal, harmful, incendiary, insalubrious, lethal, malevolent, malignant …
4poisonous — (adj.) 1570s, from POISON (Cf. poison) + OUS (Cf. ous). Other candidates for the job were poisonsome (1590s), poisonful (1550s) …
5poisonous — ► ADJECTIVE 1) producing or of the nature of poison. 2) extremely unpleasant or malicious. DERIVATIVES poisonously adverb …
6poisonous — [poi′zə nəs] adj. capable of injuring or killing by or as by poison; containing, or having the effects of, a poison; toxic; venomous poisonously adv. poisonousness n …
7poisonous — poi|son|ous [ˈpɔızənəs] adj 1.) containing poison or producing poison ▪ Some mushrooms are extremely poisonous. ▪ poisonous gases such as hydrogen sulfide ▪ poisonous substances ▪ She was bitten on the ankle by a poisonous snake . poisonous to ▪… …
8poisonous — [[t]pɔ͟ɪz(ə)nəs[/t]] 1) ADJ GRADED Something that is poisonous will kill you or make you ill if you swallow or absorb it. All parts of the yew tree are poisonous, including the berries. ...a large cloud of poisonous gas. Syn: toxic 2) ADJ GRADED… …
9poisonous — poisonously, adv. poisonousness, n. /poy zeuh neuhs/, adj. 1. full of or containing poison: poisonous air; a poisonous substance. 2. harmful; destructive: poisonous to animals; poisonous rumors. 3. deeply malicious; malevolent: poisonous efforts …
10poisonous — adjective 1 containing poison or producing poison: poisonous mushrooms | poisonous snakes 2 full of unpleasant and unfriendly feelings: There was a poisonous atmosphere in the household that made Bonita feel very uneasy. 3 someone who is… …