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BNC: 13596 COCA: 0

dup

1 of 2

verb

duped; duping; dups

transitive verb

archaic
: open

dup

2 of 2

abbreviation

1
duplex
2
duplicate

Word History

Etymology

Verb

contraction of do up

First Known Use

Verb

1547, in the meaning defined above

Time Traveler
The first known use of dup was in 1547

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