around–the–clock

adjective

: happening or continuing all day and all night

Full Definition of AROUND-THE-CLOCK

: being in effect, continuing, or lasting 24 hours a day : constant <around–the–clock surveillance>

See around–the–clock defined for English-language learners

1853

Next Word in the Dictionary: around the worldPrevious Word in the Dictionary: around All Words Near: around-the-clock

What made you want to look up around-the-clock? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears