deadbolt

[ ded-bohlt ]

noun

1. a lock bolt that is moved into position by the turning of a knob or key rather than by spring action.

Word History and Origins

Origin of deadbolt¹

dead + bolt ¹

Example Sentences

Why it's important: MFA is like having a deadbolt in addition to your regular lock.

From Salon

The San Francisco-based nonprofit, which began operating the shelter in 2021, claimed it had painted the outside of the hotel and removed deadbolt locks, but no work was actually performed, officials said.

From Los Angeles Times

After completing temporary repairs in 2020, crews will be making more permanent fixes to the bridge’s center lock, which acts a sort-of deadbolt to hold the two sides of the retractable span together.

From Seattle Times

I went out the front door, locked it, and put the spare key to the deadbolt in my pocket.

From Literature

I had a similar reaction when I first saw it and was wholly unconvinced this large piece of black plastic would have the power to unlock my deadbolt.

From The Verge

Related Words

• block