1 [intransitive and transitive]
to make a short hard sound, or make something produce this sound:
The door clicked shut behind me.
Mother clicked her tongue (=made a short sound to show disapproval) and sighed.
Edmund clicked his fingers (=made a short sound to get someone's attention) for John to follow him.
Vogel clicked his heels (=hit the heels of his shoes together) and bowed.
Twist the lever and the gears click into place.
2TD [intransitive and transitive]
to press a button on a computer mouse to choose something from the screen that you want the computer to do, or to press a button on a remote control:
Choose the image you want by clicking twice.
Children can click on a sentence to hear it read aloud.
3 [intransitive] informal
to suddenly understand or realize something:
It's hard work, but one day it will just click.
I thought, 'What is he doing?' and then suddenly it all clicked into place (=I understood how all the events related to each other).
4 [intransitive] informal
if two people click, they like, understand, and agree with each other:
They clicked straight away.
5 [intransitive] informal
to happen in a good or successful way, especially because people are working together well:
If everything clicks, we should have a good season.