catch on

phrasal verb·2 senses·particle on

Meanings

1

Become popular or fashionable

Why “on”? Sliding forward along the surface. Motion that keeps going on and on.

The trend caught on quickly.
The trend became popular quickly.
The dance caught on quickly at school.
The dance became popular quickly at school.
2

Begin to understand something

Why “on”? The connection starts. The machine, light, or device begins working.

It took him a while to catch on to the joke.
It took him a while to understand the joke.
The class caught on after the second example.
The class began to understand after the second example.

Don't confuse with

catch oncatch up

Catch on means become popular or fashionable. Catch up means reach the same level or position as someone ahead.

Test yourself

The trend caught on quickly. What does it mean?

Nearby in the meaning map

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