\ ə-ˈvast \

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

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Dictionary Entries near avast

Avarua

avascular

avascular necrosis

avast

avatar

avaunt

AVC

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The first known use of avast was in 1681

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