nonpoisonous

poisonous

[poi-zuh-nuhs]
adjective
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.

Origin:
1565–75; poison + -ous

poisonously, adverb
poisonousness, noun
nonpoisonous, adjective
nonpoisonously, adverb
nonpoisonousness, noun
semipoisonous, adjective
semipoisonously, adverb
unpoisonous, adjective
unpoisonously, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
nonpoisonous (nɒnˈpɔɪzənəs)
 
adj
not having the effects or qualities of a poison

poisonous (ˈpɔɪzənəs)
 
adj
1.  having the effects or qualities of a poison
2.  capable of killing or inflicting injury; venomous
3.  corruptive or malicious
 
'poisonously
 
adv
 
'poisonousness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

poisonous poi·son·ous (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.
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