- to become or cause to become loose or not tucked in: to untuck the blankets
WordReference Random House Unabridged Dictionary of American English © 2026
un•tuck
(un tuk′),USA pronunciation v.t.
- to release from or bring out of a tucked condition:She untucked her legs.
- un-2 + tuck1 1605–15
Collins Concise English Dictionary © HarperCollins Publishers::
untuck /ʌnˈtʌk/ vb