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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; see also five ( def. )

Explanation

Something that's a cinch is incredibly easy. It's a cinch to eat a meticulously decorated cake — it's much more complicated to bake and frost one. Cinch is one of those words with many meanings that seem unrelated at first glance. The original 19th-century North American definition, which is still used today, is "saddle girth," the straps that keep a horse's saddle in place. As a verb, cinch means "to pull tight," the way you'd cinch a belt. Informally, to cinch is to make absolutely certain: "It'll cinch her college decision if that school offers a scholarship."

Keep Reading on Vocabulary.com

Vocabulary lists containing cinch

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The cinch belts were not my friends: I was short-waisted, and with a cinch belt, looked like two tomatoes, one on top of the other.

From The Wall Street Journal • Nov. 2, 2025

Getting around this city is a cinch since Columbia is known for its efficient public transportation options.

From MarketWatch • Oct. 29, 2025

She launches into how she likes to style her brown snakeskin Chloé Silverado bag — with “one of those skirts that you can cinch and pull up a bit” and “gladiator sandals.”

From Los Angeles Times • Aug. 14, 2025

After all, Harris is not just a woman running for president, but she’s the first woman of color to cinch the Democratic nomination.

From Slate • Jul. 21, 2024

Belts cinch and click from the corner in response.

From "The Last Cuentista" by Donna Barba Higuera