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See more synonyms for antidote on Thesaurus.com
  1. a medicine or other remedy for counteracting the effects of poison, disease, etc.
  2. something that prevents or counteracts injurious or unwanted effects: Good jobs are the best antidote to teenage crime.
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verb (used with object), an·ti·dot·ed, an·ti·dot·ing.
  1. to counteract with an antidote: Medication was given to antidote the poison the child had swallowed.
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Origin of antidote

1400–50; late Middle English (< Middle French) < Latin antidotum < Greek antídoton something given against (i.e., for counteracting), equivalent to anti- anti- + dotón neuter of dotós given, verbid of didónai to give; akin to datum
Related formsan·ti·dot·al, an·ti·dot·i·cal [an-ti-dot-i-kuh l] /ˌæn tɪˈdɒt ɪ kəl/, adjectivean·ti·dot·al·ly, an·ti·dot·i·cal·ly, adverb
Can be confusedanecdote antedate antidote
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for antidote

remedy, cure, corrective, countermeasure, medicine, antitoxin, preventive, antivenin, counteractant, counteragent, negator, neutralizer

Examples from the Web for antidote

Contemporary Examples of antidote

Historical Examples of antidote

British Dictionary definitions for antidote


  1. med a drug or agent that counteracts or neutralizes the effects of a poison
  2. anything that counteracts or relieves a harmful or unwanted condition; remedy
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Derived Formsantidotal, adjective

Word Origin for antidote

C15: from Latin antidotum, from Greek antidoton something given as a countermeasure, from anti- + didonai to give
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for antidote


"remedy counteracting poison," 1510s (earlier in English as a Latin word), from Middle French antidot and directly from Latin antidotum "a remedy against poison," from Greek antidoton "given as a remedy," literally "given against," verbal adjective of antididonai "give in return," from anti- "against" + didonai "to give" (see date (n.1)). Cf. Middle English antidotarie "treatise on drugs or medicines" (c.1400).

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Online Etymology Dictionary, © 2010 Douglas Harper

antidote in Medicine


  1. An agent used to neutralize or counteract the effects of a poison.
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Related formsan′ti•dotal (ăn′tĭ-dōtl) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

antidote in Science


  1. A substance that counteracts the effects of a poison.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.