1681, in the meaning defined above
perhaps from Dutch houd vast hold fast
Keep scrolling for more
Time Traveler for avast
See more words from the same year
Cite this Entry
“Avast.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/avast. Accessed 15 Jan. 2021.
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).
See Definitions and Examples »
Get Word of the Day daily email!
Words of Snow and Ice Quiz
Can you spell these 10 commonly misspelled words?
Spell words. Make bears.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Words from the week of 1/15/2021
Explaining the difference
More heat than light.
The same, but different
We're intent on clearing it up
We're gonna stop you right there
How to use a word that (literally) drives some pe...
The awkward case of 'his or her'
A selection of words from the chillier parts of t...
It's all fun and games until someone beats your h...