stop·​watch | \ ˈstäp-ˌwäch How to pronounce stopwatch (audio) \

Definition of stopwatch

: a watch with a hand or a digital display that can be started and stopped at will for exact timing (as of a race)

Examples of stopwatch in a Sentence

Recent Examples on the Web Daniel Delfino, who directs the corporation’s planning and program development department, said stopwatch tests were used to determine how quickly workers processed different versions of paperwork. From Usa Today Network And Wire Reports, USA TODAY, 27 May 2021 Also, an alternative timekeeping device — like a stopwatch — must be used in the event of a shot clock malfunction. Alex Vejar, The Salt Lake Tribune, 13 May 2021 Withrow also has a woman leading the boys and girls track team for the first time with Michigan grad Charnee Lumbus prowling area tracks with a stopwatch and a team full of Tigers. Scott Springer, The Enquirer, 13 May 2021 One ref broke out a stopwatch and, yes, Taurasi beat the clock, and, no, there wouldn't be much time for the Lynx to throw in a shot after a timeout. Star Tribune, 15 May 2021 Because of a clock problem after the steal, officials used a stopwatch to determine how much time remained after Taurasi’s trey in a lengthy replay review. Jeff Metcalfe, The Arizona Republic, 14 May 2021 Hand timing results in faster times because of the delay between hearing the gun or seeing movement and hitting the stopwatch. Mark Zeigler, San Diego Union-Tribune, 8 May 2021 Applying engineering principles to industrial labor, Taylor would roam factory floors, stopwatch and slide rule in hand, looking for ways to shave time off tasks. Caitlin Harrington, Wired, 9 Apr. 2021 In one case, the individual livestreams every single second of studying with a stopwatch on one corner of the screen. Hakyung Kate Lee, ABC News, 23 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'stopwatch.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of stopwatch

1737, in the meaning defined above

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Time Traveler for stopwatch

Time Traveler

The first known use of stopwatch was in 1737

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Statistics for stopwatch

Last Updated

5 Jun 2021

Cite this Entry

“Stopwatch.” Dictionary, Merriam-Webster, Accessed 18 Jun. 2021.

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More Definitions for stopwatch



English Language Learners Definition of stopwatch

: a watch that can be started and stopped very quickly and that is used for measuring the amount of time that is taken to do something (such as to run a race)


stop·​watch | \ ˈstäp-ˌwäch How to pronounce stopwatch (audio) \

Kids Definition of stopwatch

: a watch that can be started and stopped for exact timing (as of a race)

More from Merriam-Webster on stopwatch

Thesaurus: All synonyms and antonyms for stopwatch

Nglish: Translation of stopwatch for Spanish Speakers


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