most unpoisoned


a substance with an inherent property that tends to destroy life or impair health.
something harmful or pernicious, as to happiness or well-being: the poison of slander.
Slang. any variety of alcoholic liquor: Name your poison!
verb (used with object)
to administer poison to (a person or animal).
to kill or injure with or as if with poison.
to put poison into or upon; saturate with poison: to poison food.
to ruin, vitiate, or corrupt: Hatred had poisoned his mind.
Chemistry. to destroy or diminish the activity of (a catalyst or enzyme).
causing poisoning; poisonous: a poison shrub.

1200–50; Middle English puisun < Old French < Latin pōtiōn- (stem of pōtiō) drink, potion, poisonous draught

poisoner, noun
poisonless, adjective
poisonlessness, noun
outpoison, verb (used with object)
self-poisoner, noun
unpoisoned, adjective

1. Poison, toxin, venom are terms for any substance that injures the health or destroys life when absorbed into the system, especially of a higher animal. Poison is the general word: a poison for insects. A toxin is a poison produced by an organism; it is especially used in medicine in reference to disease-causing bacterial secretions: A toxin produces diphtheria. Venom is especially used of the poisons secreted by certain animals, usually injected by bite or sting: the venom of a snake. 7. contaminate, pollute, taint. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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World English Dictionary
poison (ˈpɔɪzən)
1.  any substance that can impair function, cause structural damage, or otherwise injure the bodyRelated: toxic
2.  something that destroys, corrupts, etc: the poison of fascism
3.  a substance that retards a chemical reaction or destroys or inhibits the activity of a catalyst
4.  a substance that absorbs neutrons in a nuclear reactor and thus slows down the reaction. It may be added deliberately or formed during fission
5.  informal what's your poison? what would you like to drink?
6.  to give poison to (a person or animal) esp with intent to kill
7.  to add poison to
8.  to taint or infect with or as if with poison
9.  (foll by against) to turn (a person's mind) against: he poisoned her mind against me
10.  to retard or stop (a chemical or nuclear reaction) by the action of a poison
11.  to inhibit or destroy (the activity of a catalyst) by the action of a poison
Related: toxic
[C13: from Old French puison potion, from Latin pōtiō a drink, esp a poisonous one, from pōtāre to drink]

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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Word Origin & History

early 13c., "a deadly potion," from O.Fr. puison (12c.) "a drink," later "a potion, poisonous drink" (14c.), from L. potionem (nom. potio) "a drink," also "poisonous drink," from potare "to drink" (see potion). The O.E. word was ator (see
attercop) or lybb. Slang sense of "alcoholic drink" first attested 1805, Amer.Eng. The verb is c.1300, from the noun. Related: Poisoned; poisoning. Poison ivy first recorded 1784; poison oak is from 1743. Poison gas first recorded 1915. Poison-pen (letter) popularized 1913 by a notorious criminal case in Pennsylvania, U.S.; it may date back to 1908. In many Germanic languages "poison" is euphemistically named by a word equivalent to English gift (cf. O.H.G. gift, Dan., Swed. gift; Du. gift, vergift). This choice might have been aided by Gk. dosis "a portion prescribed," lit. "a giving," used by Galen and other Greek physicians to mean an amount of medicine (see dose).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

poison poi·son (poi'zən)

  1. A substance taken internally or applied externally that is injurious to health or dangerous to life.

  2. A chemical substance that inhibits another substance or a reaction.

v. poi·soned, poi·son·ing, poi·sons
To kill or harm with 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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Bible Dictionary

Poison definition

(1.) Heb. hemah, "heat," the poison of certain venomous reptiles (Deut. 32:24, 33; Job 6:4; Ps. 58:4), causing inflammation. (2.) Heb. rosh, "a head," a poisonous plant (Deut. 29:18), growing luxuriantly (Hos. 10:4), of a bitter taste (Ps. 69:21; Lam. 3:5), and coupled with wormwood; probably the poppy. This word is rendered "gall", q.v., (Deut. 29:18; 32:33; Ps. 69:21; Jer. 8:14, etc.), "hemlock" (Hos. 10:4; Amos 6:12), and "poison" (Job 20:16), "the poison of asps," showing that the _rosh_ was not exclusively a vegetable poison. (3.) In Rom. 3:13 (comp. Job 20:16; Ps. 140:3), James 3:8, as the rendering of the Greek ios.

Easton's 1897 Bible Dictionary
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