- (transitive) to remove (a mast) from its step
WordReference Random House Unabridged Dictionary of American English © 2026
un•step
(un step′),USA pronunciation v.t., -stepped, -step•ping.
- Naval Termsto lift from its step, as a mast.
- un-2 + step 1850–55
Collins Concise English Dictionary © HarperCollins Publishers::
unstep /ʌnˈstɛp/ vb ( -steps, -stepping, -stepped)