frost

frost · noun

imported

Definitions

noun

  1. 1.

    A thin layer of ice crystals that forms on surfaces when the temperature falls below freezing.

  2. 2.

    A period of weather cold enough to cause freezing.

  3. 3.

    (as verb) To cover with frost or something resembling frost; to ice a cake.

Forms

plural: frosts

Phrases & expressions

  • frost over — to become covered with frost
  • frostbite — injury to body tissues caused by exposure to extreme cold
  • Jack Frost — a personification of winter cold

Related words

Antonyms: heat, thaw
See also: cold, freeze, ice, winter
Synonyms: freeze, ice, rime

Etymology

From Old English forst, frost, from Proto-Germanic frustaz ("frost"). Related to freeze.