- to remove frost or ice from by thawing
- to cause (frozen foods) to become unfrozen
verbde·frost·ed, de·frost·ing, de·frosts
- To remove ice or frost from: defrosted the windshield.
- To cause to thaw.
- To become free of ice or frost: a freezer that defrosts automatically.
- To become thawed.
(third-person singular simple present defrosts, present participle defrosting, simple past and past participle defrosted)