timer

noun

tim·​er ˈtī-mər 

: one that times: such as

a

: timepiece

especially : a stopwatch for timing races

b

: timekeeper

c

: a device (such as a clock) that indicates by a sound the end of an interval of time or that starts or stops a device at predetermined times

Synonyms

• chronometer
• clock
• timekeeper
• timepiece

Examples of timer in a Sentence

He was the official timer for the race.

She set the timer on the oven for one hour.

The timer is set to go off in 15 minutes.

Recent Examples on the Web

Notably, the Churchill timer had Journalism at 1:01.4 for the five furlongs. —Guy Martin, Forbes.com, 29 Apr. 2025

There is one button for power, one for rotation and one to activate the sleep timer. —Tantse Walter, Space.com, 24 Apr. 2025

And for those hoping to wind down rather than speed up, YouTube is spotlighting its sleep timer settings for the first time. —Jacob Feldman, Sportico.com, 23 Apr. 2025

This flash discount won’t stick around, so treat your ears before the cart timer runs out, for shoppers today. —Shubham Yewale, PC Magazine, 23 Apr. 2025

Word History

First Known Use

1648, in the meaning defined above

Phrases Containing timer

• all-timer
• egg timer
• full-timer
• old-timer
• one-timer

Rhymes for timer

• climber
• dimer
• eimer
• primer
• rhymer
• alzheimer
• heterodimer

Kids Definition

timer

noun

tim·​er ˈtī-mər 

1

a

: timepiece

b

: timekeeper sense 2

2

: a clocklike device that turns something on or off at a set time or gives a signal at the end of a period of time