- (transitive) to remove (something) from a hook
- (transitive) to unfasten the hook of (a dress, etc)
- (intransitive) to become unfastened or be capable of unfastening: the dress wouldn't unhook
WordReference Random House Learner's Dictionary of American English © 2026
un•hook /ʌnˈhʊk/USA pronunciation
v.
WordReference Random House Unabridged Dictionary of American English © 2026- to unfasten or detach by or as if by undoing a hook or hooks: [~ + object]to unhook railroad cars.[no object]The caboose unhooked and rolled down the hill.
- [~ + object] to remove or detach from a hook.
un•hook
(un hŏŏk′),USA pronunciation v.t.
v.i.
- to detach by or as if by releasing a hook:to unhook a tractor from a trailer.
- to unfasten or open by undoing a hook or hooks:to unhook a door; to unhook a corset.
v.i.
- to become unhooked.
- un-2 + hook1 1605–15
Collins Concise English Dictionary © HarperCollins Publishers::
unhook /ʌnˈhʊk/ vb