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Definition of deadbolt

deadbolt

/ˈdɛd.boʊlt/
dead · bolt
Plural:deadbolts
•
Past Simple:deadbolted
•
Past Participle:deadbolted
•
Present Participle:deadbolting
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deadbolt Lexical Profile

deadbolt Game Scores & Validity

• noun

1

A heavy door lock in which a solid metal bolt is moved into and out of position by turning a key or knob rather than by spring action, providing enhanced security.

Example

"The homeowner installed a new brass deadbolt on the front entrance to improve security."

Synonyms
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• verb

1

To fasten or secure a door using a deadbolt lock.

Example

"Please remember to deadbolt the back door before you go to sleep."

Synonyms
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Antonyms
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• Nearby Words

dead
deadass
deadbeat
deadbolt
deaden
deadening
deadeye

Word Origin & Etymology

Coined in the early 20th century as a compound of 'dead' (used in the mechanical sense of 'lacking a spring' or 'completely fixed') and 'bolt'.

Cite this Entry

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