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English word:    
catch   on  

catch on

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catch on in WordNet English dictionary

verb
  1. become popular
    "This fashion caught on in Paris"
    catch on 
  2. understand, usually after some initial difficulty
    "She didn't know what her classmates were plotting but finally caught on"
    catch on  get wise  get onto  tumble  latch on  cotton on  twig  get it 
WordNet Lexical Database v3.0, © 2006 Princeton University


catch on in English Wiktionary

 
  1. (verb) (idiom) to begin to understand; to realize or detect
  2. (verb) (idiom) to become popular; to become commonplace; to become the standard
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