Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

dead bolt

noun

Simple Definition of dead bolt

  • : a lock with a heavy sliding bar that is moved by turning a knob or key

Source: Merriam-Webster's Learner's Dictionary

Full Definition of dead bolt

  1. :  a lock bolt that is moved by turning a knob or key without action of a spring

Circa 1902

First Known Use of dead bolt

circa 1902

Rhymes with dead bolt


Seen and Heard

What made you want to look up dead bolt? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

marked by propriety and good taste

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

prompt maudlin angry oily
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ