| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | duplicate, similar |
| Synonyms: | accompanying, bifold, binary, copied, corresponding, coupled, double, dual, duplicating, geminate, identical, joint, like, matched, matching, paired, parallel, same, second, selfsame, twofold, very same |
| Antonyms: | dissimilar, individual, singular, unlike |
| Main Entry: | brother |
| Part of Speech: | noun |
| Definition: | male sibling |
| Synonyms: | blood brother, kin, kinsperson, relation, relative, twin |
| Antonyms: | sister |
| Main Entry: | clone |
| Part of Speech: | noun |
| Definition: | exact duplicate |
| Synonyms: | act-alike, copy, double, duplicate, look-alike computer, reproduction, twin |
| Main Entry: | counterpart |
| Part of Speech: | noun |
| Definition: | match; identical part or thing |
| Synonyms: | analogue, carbon copy, complement, copy, correlate, correlative, correspondent, dead ringer, ditto*, doppelganger, duplicate, equal, equivalent, fellow, like, look alike, mate, obverse, opposite, opposite number, peas in a pod, pendant, ringer, spit and image, spitting image, supplement, tally, twin, two of a kind |
| Antonyms: | opposite |
| Main Entry: | double |
| Part of Speech: | adjective |
| Definition: | in a pair |
| Synonyms: | as much again, bifold, binary, binate, coupled, dual, dualistic, duple, duplex, duplicate, duplicated, geminate, paired, repeated, second, twice, twin, two times, twofold |
| Antonyms: | single |
| Main Entry: | double |
| Part of Speech: | noun |
| Definition: | something which exactly resembles another |
| Synonyms: | angel, clone, companion, coordinate, copy, counterpart, dead ringer, duplicate, image, impersonator, lookalike, match, mate, picture, portrait, reciprocal, replica, ringer, simulacrum, spitting image, stand-in, twin |
| Main Entry: | dual |
| Part of Speech: | adjective |
| Definition: | two-fold |
| Synonyms: | bifold, binal, binary, coupled, double, doubleheader, duple, duplex, duplicate, matched, paired, twin |
| Main Entry: | duplicate |
| Part of Speech: | adjective |
| Definition: | matching |
| Synonyms: | alike, corresponding, dualistic, duple, duplex, equal, equivalent, identic, identical, indistinguishable, same, self-same, tantamount, twin, twofold, very same |
| 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) |
| Antonyms: | different, unmatching |