poisonousness
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poi·son·ous
(poi′zə-nəs)adj.
1.
a. Containing or being a poison: poisonous fumes.
b. Capable of harming or killing by poison: poisonous tentacles.
2.
a. Full of ill will; malicious or spiteful: a poisonous look.
b. Harmful or destructive: a poisonous precedent.
poi′son·ous·ly adv.
poi′son·ous·ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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poisonousness
nounA desire to harm others or to see others suffer:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.