catch on

Primary Meanings of catch on

1.
v
understand, usually after some initial difficulty
2.
v
become popular
Full Definitions of catch on
1

v understand, usually after some initial difficulty

“She didn't know what her classmates were plotting but finally caught on
Synonyms:
cotton on, get it, get onto, get wise, latch on, tumble, twig
Type of:
apprehend, compass, comprehend, dig, get the picture, grasp, grok, savvy
get the meaning of something
2

v become popular

“This fashion caught on in Paris”
Type of:
change
undergo a change; become different in essence; losing one's or its original nature

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