coin flip

noun

plural coin flips
1
: a method for randomly choosing between two options that involves tossing a coin up in the air and letting which side is shown when it lands determine the choice
For centuries, people have relied on the coin flip as a fair, unbiased, and quick way to settle disputes, start games, and make decisions. … In theory, a coin flip has a 50% chance of heads and a 50% chance of tails.Faddi Shaikh
A state law says when there is a tie and 5,000 or fewer votes in an election, the local board of elections must use a method of random selection, like a coin flip.Billy Chapman
Ryan anointed Tomlinson his starter and named him and former Chargers cornerback Antonio Cromartie captains for the opening coin flip.Damon Hack
2
: an even chance : toss-up
It was a total coin flip coming into the season … if it would be Rutherford or Glen Rock representing the Liberty in the four-team postseason.Ryan Patti
… there is no way to count more than 100 million votes and get the same count every time. If the vote is close—and that is the only situation where a single vote matters—it is essentially a coin flip.Michael Kinsley

Examples of coin flip in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Americans face a tough test against Belgium that is viewed as a coin flip, and things would get even tougher afterward against Spain or Portugal. Dan Santaromita, New York Times, 4 July 2026 The Pacers ended up losing what was essentially a coin flip of odds, and relinquished their draft selection to the Clippers. Rohan Nadkarni, NBC news, 24 June 2026 The first option is a success/failure binary coin flip with some probability, and the second option is a regular option with a 10-year horizon with its own volatility and strike. Vineer Bhansali, Forbes.com, 18 June 2026 By the close, money markets had moved an October hike to slightly better than a coin flip, when before almost nobody would’ve bet on it, Fortune’s Eva Roytburg reports. Jim Edwards, Fortune, 18 June 2026 See All Example Sentences for coin flip

Word History

First Known Use

1900, in the meaning defined at sense 1

Time Traveler
The first known use of coin flip was in 1900

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Cite this Entry

“Coin flip.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coin%20flip. Accessed 11 Jul. 2026.

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