catch on

phrasal verb·2 senses·particle on

Usefulness

Meanings

1

Become popular or fashionable

Why “on”? An action, event, state, or path continues or moves to a later point.

The trend caught on quickly.
The trend became popular quickly.
The dance caught on at school, and soon everyone knew it.
The dance became popular at school, so many students learned it.
2

Begin to understand something

Why “on”? An idea reaches the mind and becomes clear.

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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