unbolt

[uhn-bohlt] /ʌnˈboʊlt/
verb (used with object)
1.
to open (a door, window, etc.) by or as if by removing a bolt; unlock; unfasten.
2.
to release, as by the removal of threaded bolts:
"He unscrewed the nuts and unbolted the inspection cover."
verb (used without object)
3.
to become unbolted or unfastened.
Origin
1425–75; late Middle English; see un-2 + bolt1
British Dictionary definitions for un bolt
unbolt (ʌnˈbəʊlt)
 
vb
1.  to unfasten a bolt of (a door)
2.  to undo (the nut) on a bolt

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source

Difficulty index for un bolt

Few English speakers likely know this word

Tile value for un

2
4
Scrabble Words With Friends