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poisonous

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(po̵i′zə nəs)

adjective

capable of injuring or killing by or as by poison; containing, or having the effects of, a poison; toxic; venomous

Related Forms:

poisonously adverb
poisonousness noun

See poisonous in American Heritage Dictionary 4

adjective

Capable of harming or killing by or as if by poison; toxic or venomous.
Containing a poison.
Marked by apparent ill will: “poisonous hate . . . in his eyes” (Ernest Hemingway).

Related Forms:

poiˈson·ous·ly adverb

poiˈson·ous·ness noun

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