Related topics: Power
clock‧work [uncountable]
1TP British English clockwork toys, trains, soldiers etc have machinery inside them that makes them move when you turn a key:
mechanical toys powered by clockwork
The tape was driven by a clockwork motor.

go/run like clockwork

to happen in exactly the way you had planned:
The concert went like clockwork.

like clockwork


(as) regular as clockwork

happening at the same time and in the same way every time:
Matt came round each Friday, regular as clockwork.

with clockwork precision/accuracy

in an extremely exact way

Dictionary results for "clockwork"
Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.