stopwatch

noun

stop·​watch ˈstäp-ˌwäch 

: 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

Shifting from a customer evaluation to a customer learning focus requires a new mindset, especially from leaders with a clipboard and stopwatch mentality. —Chip Bell, Forbes.com, 15 Aug. 2025

At that point, the scientists aboard our plane pushed a button on a stopwatch. —Literary Hub, 24 July 2025

As production ramped up, process engineers, who sometimes patrolled the assembly line with stopwatches, looked for bottlenecks and rejiggered the assembly line. —Verne Kopytoff, Fortune, 5 July 2025

The tools include a Glyph mirror, digital clock, stopwatch, battery indicator, and solar clock, while the games include Spin the Bottle and Magic 8 Ball. —Eric Zeman, PC Magazine, 1 July 2025

Word History

First Known Use

1737, in the meaning defined above

Rhymes for stopwatch

• hopscotch
• wristwatch
• boche
• botch
• brough
• crotch
• gotch
• notch
• rotch
• scotch
• swatch
• watch

Kids Definition

stopwatch

noun

stop·​watch ˈstäp-ˌwäch 

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