duplicate
//ˈdjuːplɪkət//
Noun
duplicateSingular
duplicatesPlural
1
An exact copy or replica of something.
Please make a duplicate of this document for our records.
2
A second copy of a document or key made for backup or reference purposes.
I always keep a duplicate of my house key in case I lose the original.
Verb
duplicateInfinitive
duplicatePresent tense
duplicatedPast tense
duplicatedPast participle
duplicatingPresent participle
duplicatesThird-person singular
1
To make an exact copy of something.
Please duplicate this document for the meeting.
2
To repeat or do something again, often unnecessarily.
We should avoid duplicating the same work that was already done.
Adjective
duplicateCanonical form
1
Exactly like something else; identical or copied.
She found a duplicate key in the drawer.