Definitions

1. verb

to become or cause to become thawed, especially to thaw (frozen food) slowly in the refrigerator, or to thaw frozen water or ice.

“She had to unthaw the frozen chicken for dinner tonight.”

2. verb

to thaw or become thawed, especially to thaw (frozen food) slowly in the refrigerator, or to thaw frozen water or ice.

“The frozen pipe unthawed after several hours of warm water running through it.”

3. noun

the act of thawing, especially the act of thawing (frozen food) slowly in the refrigerator.

“The unthawing process for the frozen meal took several hours.”