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Definition of unbolt

unbolt

/ʌnˈboʊlt/
un · bolt
Adjective:unbolted
•
Past Simple:unbolted
•
Past Participle:unbolted
•
Present Participle:unbolting
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unbolt Lexical Profile

unbolt Game Scores & Validity

• verb

1

To open or unfasten a door, window, or gate by drawing back a sliding bolt.

Example

"The shopkeeper arrived early in the morning to unbolt the heavy wooden front doors."

2

To detach or release a mechanical component or structure by removing the metal bolts holding it in place.

Example

"The mechanic had to unbolt the exhaust manifold in order to replace the worn gasket."

Synonyms
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Antonyms
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• Rhymes for unbolt

• Nearby Words

unblushingly
unboarded
unboiled
unbolt
unbonded
unboned
unbooked

Word Origin & Etymology

Formed in Middle English from the reversative prefix 'un-' and 'bolt' (from Old English 'bolt', meaning a heavy arrow or sliding bar for fastening a door).

Cite this Entry

Wordmom. (2026). Definition of Unbolt. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/unbolt
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