duplicate

Meanings

1. 1
   adj

   identically copied from an original

   a duplicate key

2. 2
   noun

   a copy that corresponds to an original exactly

   The forms were long and required that the clerk make a duplicate for each set of files.

3. 3
   verb

   make a duplicate or duplicates of

   Could you please duplicate this letter for me?

4. 4
   adj

   Being the same as another; identical, often having been copied from an original.

   This is a duplicate entry.

5. 5
   adj

   In which the hands of cards, tiles, etc. are preserved between rounds to be played again by other players.

   duplicate whist

6. 6
   verb

   To make a copy of.

   If we duplicate the information, are we really accomplishing much?

7. 7
   verb

   To do repeatedly; to do again.

   You don't need to duplicate my efforts.

8. 8
   verb

   To produce something equal to.

   He found it hard to duplicate the skills of his wife.

Etymology

PIE word *dwóh₁ Borrowed from Latin duplicātus, perfect passive participle of duplicō, see -ate.