Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Noun
S: (n) extra, duplicate (something additional of the same kind) "he always carried extras in case of an emergency"
S: (n) duplicate, duplication (a copy that corresponds to an original exactly) "he made a duplicate for the files"
Verb
S: (v) duplicate, reduplicate, double, repeat, replicate (make or do or perform again) "He could never replicate his brilliant performance of the magic trick"
S: (v) twin, duplicate, parallel (duplicate or match) "The polished surface twinned his face and chest in reverse"
S: (v) duplicate (make a duplicate or duplicates of) "Could you please duplicate this letter for me?"
S: (v) double, duplicate (increase twofold) "The population doubled within 50 years"
Adjective
S: (adj) duplicate (identically copied from an original) "a duplicate key"