a copy exactly like an original.

anything corresponding in all respects to something else.

Cards . a duplicate game.

to make an exact copy of.

to do or perform again; repeat

He duplicated his father's way of standing with his hands in his pockets.

to double; make twofold.

to become duplicate.

exactly like or corresponding to something else

duplicate copies of a letter.

consisting of or existing in two identical or corresponding parts; double.

Cards . noting a game in which each team plays a series of identical hands, the winner being the team making the best total score. ?

in duplicate, in two copies

esp. two identical copies

Please type the letter in duplicate.

adjective

different , unmatching

noun

archetype , model , original , prototype

adjective

alike , corresponding , dualistic , duple , duplex , equal , equivalent , identic , identical , indistinguishable , same , self-same , tantamount , twin , twofold , very samenotes:duplication may be regarded as an activity because one duplicates (makes again) something , but replication is a process in which something is replicated (copied) , biform , binary , dual , geminate

noun

analogue , carbon , carbon copy * , chip off the old block * , clone , companion , coordinate , copycat * , correlate , counterfeit , counterpart , counterscript , dead ringer * , ditto * , double , dupe * , duplication , facsimile , fake , fellow , germination , imitation , knockoff , likeness , lookalike , match , mate , obverse , parallel , phony , photocopy , photostat , pirate , reciprocal , recurrence , repetition , replica , replication , repro , ringer , second , similarity , spitting image * , stat , twin , xerox *notes:duplication may be regarded as an activity because one duplicates (makes again) something , but replication is a process in which something is replicated (copied) , carbon copy , image , reduplication , reproduction , simulacrum , picture , portrait , spitting image , copy , mimeograph

verb

act like , clone , copy , counterfeit , ditto * , do again , do a takeoff , do like , double , dualize , dupe , echo , fake , go like , imitate , knock off * , make like , make replica , make twofold , manifold , mimeo , mirror , multiply , phony , photocopy , photostat , pirate * , redo , redouble , reduplicate , remake , replicate , repro , reproduce , rework , stat , take off as , trace , xerox *notes:duplication may be regarded as an activity because one duplicates (makes again) something , but replication is a process in which something is replicated (copied) , simulate , geminate , twin , alike , carbon , counterpart , ditto , facsimile , identical , mate , parallel , repeat , replica , spare , transcript