- 1[transitive, intransitive] to cover something, or to become covered, with a thin white layer of ice frost something (over/up) The mirror was frosted up. frost (over/up) The windows had frosted over.
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- 2[transitive] frost something to cover a cake, etc with frosting
frost
verbNAmE//frɔst//
Verb Forms present simple I / you / we / they frost he / she / it frosts
past simple frosted
-ing form frosting
Check pronunciation: frost