1. A remedy or other agent used to neutralize or counteract the effects of a poison.
2. An agent that relieves or counteracts: jogging as an antidote to nervous tension.
tr.v. an·ti·dot·ed, an·ti·dot·ing, an·ti·dotes
To relieve or counteract with an antidote: "Hallie's family life is laced with the poison of self-hatred, a poison that Sam has antidoted with love and understanding" (Christopher Swan).
[Middle English, from Latin antidotum, from Greek antidoton, from antididonai, antido-, to give as a remedy against : anti-, anti- + didonai, to give; see dō- in the Appendix of Indo-European roots.]
an′ti·dotal (ăn′tĭ-dōtl) adj.
Usage Note: Antidote may be followed by to, for, or against: an antidote to boredom; an antidote for snakebite; an antidote against inflation.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.