passive restraint

noun

Definition of passive restraint

: a restraint (such as a self-locking seat belt) that acts automatically to protect an automobile rider during a crash

First Known Use of passive restraint

1969, in the meaning defined above

Keep scrolling for more

Learn More about passive restraint

Share passive restraint

Statistics for passive restraint

Look-up Popularity

Time Traveler for passive restraint

The first known use of passive restraint was in 1969

See more words from the same year

More from Merriam-Webster on passive restraint

Rhyming Dictionary: Words that rhyme with passive restraint

Comments on passive restraint

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

WORD OF THE DAY

tremendous in size, volume, or degree

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!