• synonyms


[suh-prem-uh-see, soo-]
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  1. the state of being supreme.
  2. supreme authority or power.
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Origin of supremacy

First recorded in 1540–50; supreme1 + -acy
Related formspre·su·prem·a·cy, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for supremacy

primacy, sovereignty, superiority, dominance, preeminence, control, preponderance, power, predominance, authority, command, dominion, sway, ascendancy, paramountcy, principality, transcendence

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British Dictionary definitions for supremacy


  1. supreme power; authority
  2. the quality or condition of being supreme
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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 supremacy


1540s, from supreme + -acy.

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Online Etymology Dictionary, © 2010 Douglas Harper