unbolt

[ uhn-bohlt ]

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)

1. to become unbolted or unfastened.

unbolt

/ ʌnˈbəʊlt /

verb

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

Word History and Origins

Origin of unbolt¹

1425–75; late Middle English; un- ² + bolt ¹

Example Sentences

She had neither to unlock nor unbolt the door to leave the house, for it was never made fast.

From Project Gutenberg

In the stillness she could hear him open the drawing-room door, then cross the hall and finally unbolt the heavy outer door.

From Project Gutenberg

She started as the sound of the bell reached her, and hurried out to unbolt the door.

From Project Gutenberg

One of the shutters was ajar, admitting a few gleams of light, by which she could see to unbolt the door.

From Project Gutenberg

He suggested that the easiest way was to unbolt the entrance, thereby saving the necessity of breaking it down.

From Project Gutenberg

Related Words

• alleviate
• break up
• ease
• loose
• relax
• slacken
• undo
• unlock
• unscrew
• untie