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poisonous
[ poi-zuh-nuhs ]
/ ˈpɔɪ zə nəs /
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adjective
full of or containing poison: poisonous air; a poisonous substance.
harmful; destructive: poisonous to animals; poisonous rumors.
deeply malicious; malevolent: poisonous efforts.
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OTHER WORDS FROM poisonous
Words nearby poisonous
poison haw, poison hemlock, poisoning, poison ivy, poison oak, poisonous, poison-pen, poison-pen letter, poison pill, poison sumac, poison sumach
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use poisonous in a sentence
British Dictionary definitions for poisonous
poisonous
/ (ˈpɔɪzənəs) /
adjective
having the effects or qualities of a poison
capable of killing or inflicting injury; venomous
corruptive or malicious
Derived forms of poisonous
poisonously, adverbpoisonousness, nounCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for poisonous
poisonous
[ poi′zə-nəs ]
adj.
Relating to or caused by a poison.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.