poisonous
[ poi-zuh-nuh s ]
/ ˈpɔɪ zə nəs /
adjective
full of or containing poison: poisonous air; a poisonous substance.
harmful; destructive: poisonous to animals; poisonous rumors.
deeply malicious; malevolent: poisonous efforts.
Words nearby poisonous
OTHER WORDS FROM poisonous
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for nonpoisonous
Her second-stage rockets were also of the nonpoisonous variety, because she fired them at a bare 60,000 feet.
Space Tug|Murray LeinsterSeveral species of nonpoisonous snakes were more common but were nowhere really abundant.
Camps and Trails in China|Roy Chapman Andrews and Yvette Borup Andrews(e) The poisonous portions are not distinguishable from the nonpoisonous, either macroscopically or microscopically.
British Dictionary definitions for nonpoisonous (1 of 2)
nonpoisonous
/ (nɒnˈpɔɪzənəs) /
adjective
not having the effects or qualities of a poison
British Dictionary definitions for nonpoisonous (2 of 2)
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
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Medicine definitions for nonpoisonous
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.