\ ə-ˈvast How to pronounce avast (audio) \

Definition of avast

a nautical command to stop or cease

First Known Use of avast

1681, in the meaning defined above

History and Etymology for avast

perhaps from Dutch houd vast hold fast

Keep scrolling for more

Learn More about avast

Dictionary Entries near avast

Avarua

avascular

avascular necrosis

avast

avatar

avaunt

AVC

Statistics for avast

Look-up Popularity

Time Traveler for avast

The first known use of avast was in 1681

See more words from the same year

More from Merriam-Webster on avast

Rhyming Dictionary: Words that rhyme with avast

Comments on avast

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

WORD OF THE DAY

to spread over or through

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Syn City

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!