identical

1 being one and not another both families wanted the identical puppy and weren't accepting the argument that its littermates were just as good Synonyms same, selfsame, veryNear Antonyms differentiable, discriminable, disparate, dissimilar, distinct, distinctive, distinguishable, diverse, unalike, unlike, varied, variousAntonyms another, different, other

2 resembling another in every respect identical dresses whose only difference is a designer label that fetches a high price Synonyms coequal, duplicate, equal, even, same, 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, variousAntonyms different, disparate, dissimilar, distant, distinct, distinctive, distinguishable, diverse, nonidentical, other, unalike, unlike