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[oh-ver-mas-ter, -mah-ster] /ˌoʊ vərˈmæs tər, -ˈmɑ stər/
verb (used with object)
to gain mastery over; conquer; overpower:
The sudden impulse had quite overmastered me.
Origin of overmaster
Middle English word dating back to 1300-50; See origin at over-, master
Related forms
overmasteringly, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for overmaster
Contemporary Examples
Historical Examples
  • "He has fainted," said Tom, not allowing the worse fear to overmaster him.

    We Two Edna Lyall
  • The coward is not the man who is afraid, but the man who allows his fear to overmaster him.

    Uncle Sam's Boys in the Ranks

    H. Irving Hancock
  • He longed to cry to her from his soul, to crush her body against his, to overmaster her.

    Dubliners James Joyce
  • Scoundrels dictate laws to the Convention, which they overmaster.

  • Again he sought to take her, to hold her and overmaster her.

    The Air Trust George Allan England
  • The slow flowing of countless littles into the hands of the One overmaster Great is suddenly reversed.

    The Spell of Switzerland Nathan Haskell Dole
  • The necessity of recovering it cooled for the moment the passion which had threatened to overmaster him.

  • It had begun so delicately; it became in a little while so determined, it threatened to overmaster him.

    The Wave Algernon Blackwood
  • Here his emotion appeared quite to overmaster him for an instant, and Comethup felt very sorry for him indeed.

British Dictionary definitions for overmaster


(transitive) to overpower
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
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Word Origin and History for overmaster

mid-14c., from over- + master (v.). Related: Overmastered; overmastering.

Online Etymology Dictionary, © 2010 Douglas Harper
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