[ dih-frawst, -frost ]
/ dɪˈfrɔst, -ˈfrɒst /

verb (used with object)

to remove the frost or ice from: to defrost a refrigerator; to defrost the windshield of a car.
to thaw or partially thaw (frozen food).

verb (used without object)

to become free of ice or frost: The refrigerator defrosted quickly.
to thaw, as frozen food: The meat took two hours to defrost.

Origin of defrost

First recorded in 1890–95; de- + frost Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for defrost

British Dictionary definitions for defrost

/ (diːˈfrɒst) /


to make or become free of frost or ice
to thaw, esp through removal from a refrigerator
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012