frost - definition and synonyms

 
noun 

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/frɒst/
singularfrost
pluralfrosts
  1. 1
    [uncountable] a thin white layer of ice that looks like powder and forms on things outside when the weather is very cold

    bushes covered with frost

  2. 2
    [countable/uncountable] a period of weather cold enough to form frost
    an early/late frost (=in early autumn/late spring):

    A late frost in May could easily kill these delicate plants.

    a hard/heavy/sharp frost (=very cold weather):

    There’s going to be a hard frost overnight.