alarm clocknoun [ C ]
uk/əˈlɑːm ˌklɒk/us/əˈlɑːrm ˌklɑːk/also alarmA2 a clock that you can set to wake you up at a particular time with a loud noise:
My alarm clock went off at 7.30.
I've set the alarm for 7.30.
More examples
- Didn't you hear your alarm clock going off this morning?
- He woke up with a jerk when the alarm clock went off.
- This alarm clock takes two medium-sized batteries.
- Anne's alarm clock rang for half an hour before she woke.
- He set his alarm clock for 7.00 a.m.
Thesaurus: synonyms and related words
Watches & clocks
- 24-hour clock
- against the clock idiom
- at/on the stroke of sth idiom
- bezel
- carriage clock
- clock
- crystal
- hourglass
- lose
- minute hand
- movement
- pendulum
- radio alarm clock
- second hand
- slow
- strike
- watchband
- watchstrap
- winder
- wristwatch
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