noun · verb · 4 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
General-American:/ˈdɛdˌboʊ̯lt/
CMU ARPABET:D EH1 D B OW2 L T
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The part of the lock which is moved when the key is engaged.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A kind of lock in which the bolt (moving portion) is held in position by the cylinder rather than by a spring and so cannot be retracted except by turning the cylinder.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: deadlock
Antonyms: none provided
3
verb
Meaning 3
To fasten or secure with a deadbolt.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
the part of a lock that is engaged or withdrawn with a key
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: bolt
Antonyms: none provided
Broader terms: bar
Narrower terms: safety bolt, safety lock
History
Etymology
From dead + bolt.
Across languages
Translations
6 source translations are retained for this English entry.
German:
Schlossriegel
— part of the lock which is moved when the key is engaged
Polish:
zasuwka
— part of the lock which is moved when the key is engaged