chill - definition and synonyms

adjective [only before noun] 

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/tʃɪl/
  1. 1
    very cold

    She shivered slightly in the chill February air.

     Synonyms and related words
  2.   From our crowdsourced Open Dictionary
    3
    really, really cool

    That shirt is really chill.

    Submitted from New Zealand on 03/12/2016