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Synonyms

cinch

1 American  
[sinch] / sɪntʃ /

noun

  1. a strong girth used on stock saddles, having a ring at each end to which a strap running from the saddle is secured.

  2. a firm hold or tight grip.

  3. Informal.

    1. something sure or easy.

      This problem is a cinch.

    2. a person or thing certain to fulfill an expectation, especially a team or contestant certain to win a sporting event.

      The Giants are a cinch to win Sunday's game.


verb (used with object)

  1. to gird with a cinch; gird or bind firmly.

  2. Informal. to seize on or make sure of; guarantee.

    Ability and hard work cinched her success.

cinch 2 American  
[sinch] / sɪntʃ /

noun

Cards.
  1. a variety of the game all fours.


cinch 1 British  
/ sɪntʃ /

noun

  1. slang an easy task

  2. slang a certainty

  3. Also called (in Britain and certain other countries): girth.  a band around a horse's belly to keep the saddle in position

  4. informal a firm grip

"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

verb

  1. (often foll by up) to fasten a girth around (a horse)

  2. informal (tr) to make sure of

  3. informal (tr) to get a firm grip on

"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
cinch 2 British  
/ sɪntʃ /

noun

  1. a card game in which the five of trumps ranks highest

"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

Etymology

Origin of cinch1

An Americanism first recorded in 1855–60; from Spanish cincha, from Latin cingula “girth,” from cing(ere) “to gird” + -ula -ule

Origin of cinch2

First recorded in 1885–90; perhaps from Spanish cinco “five,” also the name of a card game, from Vulgar Latin cinque (unrecorded), from Latin quinque; five ( def. )