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antagonistic

 - 3 dictionary results

an⋅tag⋅o⋅nis⋅tic

  [an-tag-uh-nis-tik]
Use antagonistic in a Sentence
–adjective
1. acting in opposition; opposing, esp. mutually.
2. hostile; unfriendly.
Origin:
1625–35; antagonist + -ic

Related forms:
an⋅tag⋅o⋅nis⋅ti⋅cal⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To antagonistic
an·tag·o·nist   (ān-tāg'ə-nĭst)   
n.  

  1. One who opposes and contends against another; an adversary.

  2. The principal character in opposition to the protagonist or hero of a narrative or drama.

  3. Physiology A muscle that counteracts the action of another muscle, the agonist.

  4. Biochemistry A chemical substance that interferes with the physiological action of another, especially by combining with and blocking its nerve receptor.

an·tag'o·nis'tic adj., an·tag'o·nis'ti·cal·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: an·tag·o·nis·tic
Pronunciation: (")an-"tag-&-'nis-tik
Function: adjective
1 : characterized by orresulting from antagonism <antagonistic antibiotics>
2 : relating to or being muscles that are antagonists antagonisticpairs> —an·tag·o·nis·ti·cal·ly /-ti-k(&-)lE/ adverb
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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