duplicate
🇺🇸
/ˈduːplɪkeɪt/
🇬🇧
/ˈdjuːplɪkeɪt/
to make an exact copy of something
Please duplicate this document so we both have a copy.
to do something again, especially when it is unnecessary
Don't duplicate the work that has already been done.
exactly like something else; made as a copy of something else
This is a duplicate key for the same lock.
one of two or more things that are the same in every detail; a copy of an original
I made a duplicate of the file just in case.