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A bolt on a lock that shifts only when the key or a small knob on one side of the lock is turned.


1. a locking bolt that is turned by the key rather than a spring
a. a type of lock that utilizes a bolt that has to be turned manually rather than by a spring
b. (as modifier): deadbolt locks.
3. (as modifier): deadbolt locks.



a lock bolt that is moved into position by the turning of a knob or key rather than by spring action.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.deadbolt - the part of a lock that is engaged or withdrawn with a keydeadbolt - the part of a lock that is engaged or withdrawn with a key
bar - a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon; "there were bars in the windows to prevent escape"
lock - a fastener fitted to a door or drawer to keep it firmly closed
safety bolt, safety lock - a bolt that cannot be moved from outside the door or gate


[ˈdedbəʊlt] Ncerrojo m de seguridad
References in periodicals archive ?
The August Smart Lock Pro 3rd Generation is a keyless lock control designed to install over an existing deadbolt assembly.
The interior of the dome and bays are black-lined, and a large fiberglass residential-style door with deadbolt lock is included with the base model.
Key Control Deadbolt Test: Chris Haney, Post Properties
Rather than take a risk, we decided to install a Deadbolt Secure.
The Goji--available for retail soon--is an automatic deadbolt that looks can take pictures of visitors who come to the door and can be locked, and unlocked, from anywhere in the world.
And if you lose your phone, you can log in with your username and password on another device to gain access or, because the lock works with your existing deadbolt, use a physical key to get inside--Allie Weiss
SimpliciKey manufactures the SimpliciKey Remote Control Electronic Deadbolt.
Your patio door does not have a deadbolt, and the lock is not the strongest and can be popped loose easily with a crowbar.
The system uses a standard deadbolt with a patented lock-sensing tab inserted into the lock hole.
It's the first code-free system that turns on and off automatically using existing deadbolt systems.
Discounts: While homeowners seem to be familiar with multiple-policy discounts (65% know about them) and smoke detector discounts (70%), fewer than half know about home alarm discounts and just one-third are aware of discounts for deadbolt locks.