unbolt

[uhn-bohlt]

See more synonyms for unbolt on Thesaurus.com

verb (used with object)

to open (a door, window, etc.) by or as if by removing a bolt; unlock; unfasten.
to release, as by the removal of threaded bolts: He unscrewed the nuts and unbolted the inspection cover.

verb (used without object)

to become unbolted or unfastened.

Origin of unbolt

1425–75; late Middle English; see un-² + bolt¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for unbolt

release, free, expand, decipher, unravel, undo, slacken, relax, ease, loose, unlock, untie, alleviate, unscrew, disclose, jimmy, tap, puncture, burst, vent

Examples from the Web for unbolt

Historical Examples of unbolt

Eager as themselves, I hastened to unbolt the door and set them free.
Confessions Of Con Cregan
Charles James Lever
You've got to go f'm there to the front an' unbolt the door.
The Boy Scout Treasure Hunters
Charles Henry Lerrigo
He was angry that she should have dared to unbolt the door, or to withdraw the bars.
The Vicar of Bullhampton
Anthony Trollope
This Scott—if he was out of the way, they could unbolt the doors and walk out.
The Riddle of the Mysterious Light
Mary E. Hanshew
Can you get through one of these windows, Ito, and unbolt the door?
The Mystery Girl
Carolyn Wells

British Dictionary definitions for unbolt

unbolt

verb (tr)

to unfasten a bolt of (a door)
to undo (the nut) on a bolt

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