unpin

[ uhn-pin ]
/ ʌnˈpɪn /

verb (used with object), un·pinned, un·pin·ning.

to remove pins from.
to unfasten or loosen by or as if by removing a pin; detach.

Origin of unpin

1300–50; Middle English unpynnen to unbolt; see un-2, pin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unpin

British Dictionary definitions for unpin

unpin

/ (ʌnˈpɪn) /

verb -pins, -pinning or -pinned (tr)

to remove a pin or pins from
to unfasten by removing pins

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012