unbeatable

[uhn-bee-tuh-buh l]
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adjective
  1. incapable of being beaten; impossible to defeat: an unbeatable football team.
  2. of surpassingly good quality; excellent: an unbeatable combination of brains and talent.

Origin of unbeatable

First recorded in 1895–1900; un-1 + beatable
Related formsun·beat·a·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for unbeatable

invincible, unconquerable, unsurpassable, unexcelled

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British Dictionary definitions for unbeatable

unbeatable

adjective
  1. unable to be defeated or outclassed; surpassingly excellent
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 unbeatable
adj.

1897, from un- (1) "not" + beatable.

Online Etymology Dictionary, © 2010 Douglas Harper