Merriam-Webster Online Dictionary
duplicate (adjective)1.
consisting of or existing in two corresponding or identical parts or examples - duplicate invoices
2.
being the same as another - duplicate copies
transitive verb
1.
to make double or twofold
2.
a) to make a copy of - a cell duplicates itself when it divides
b) to produce something equal to - trying to duplicate last year's success
intransitive verb
c) to do over or again often needlessly - duplicated effort to become - duplicated , also - repeat
1.
a) either of two things exactly alike and usually produced at the same time or by the same process
b) an additional copy of something (as a book or stamp) already in a collection
2.
one that resembles or corresponds to another - counterpart
3.
two identical copies - used in the phrase in duplicate reproduction
Merriam-Webster Online Thesaurus
duplicate (adjective)resembling another in every respect
SYNONIMS:
coequal, duplicate, equal, even, identical, indistinguishableRELATED WORDS:
akin, alike, analogous, comparable, coordinate, correspondent, corresponding, equivalent, like, look-alike, matching, parallel, similar, such, suchlike, synonymous, tantamountNEAR ANTONYMS:
differentiable, discriminable; divers, miscellaneous, sundry, varied, various1.
something or someone that strongly resembles another
SYNONIMS:
alter ego, carbon, carbon copy, clone, counterpart, doppelgänger ( doppelganger), double, duplicate, duplication, facsimile, fetch, likeness, look-alike, match, mirror image, picture, replica, ringer, spit, spitting image, twinRELATED WORDS:
Chinese copy; effigy, portrait, portrayal; companion, fellow, mate; equal, equivalent; analogue ( analog), parallelNEAR ANTONYMS:
antithesis, converse, opposite, reverse2.
something that is made to look exactly like something else
SYNONIMS:
carbon, carbon copy, clone, dummy, dupe, duplicate, duplication, facsimile, imitation, mock, reduplication, replica, replication, reproductionRELATED WORDS:
counterfeit, fake, forgery, knockoff, phony ( phoney), rip-off, rubber stamp, sham; miniature, mock-up, simulation; reconstruction, re-creation; image, likeness, semblance, shadow; impression, imprint, print; approximation, reincarnation, version; extra, reserve, spare1.
to make an exact likeness of
SYNONIMS:
clone, copycat, duplicate, imitate, reduplicate, render, replicate, reproduceRELATED WORDS:
counterfeit, fake, forge, knock off, rip off; mimic, simulate; reconstruct, re-createNEAR ANTONYMS:
create, imagine, initiate, invent2.
to make or do again
SYNONIMS:
duplicate, redo, reduplicate, reiterate, remake, renew, replicate, repriseRELATED WORDS:
recreate, reenact, reinvent3.
to make twice as great or as many
SYNONIMS:
duplicate, redoubleRELATED WORDS:
compound, multiply; accumulate, balloon, build (up), burgeon ( bourgeon), enlarge, escalate, expand, increase, mount, mushroom, proliferate, rise, snowball, swell, wax