Main entry: identical, monovular
Definition: (of twins) derived from a single egg or ovum
Usage: identical twins are monovular
Main entry: indistinguishable, identical
Definition: exactly alike; incapable of being perceived as different
Usage: rows of identical houses; cars identical except for their license plates; they wore indistinguishable hats
Antonyms: different
Definition: unlike in nature or quality or form or degree
Antonyms: other
Definition: not the same one or ones already mentioned or implied
Main entry: very, identical, selfsame
Definition: being the exact same one; not any other:
Usage: this is the identical room we stayed in before; the themes of his stories are one and the same; saw the selfsame quotation in two newspapers; on this very spot; the very thing he said yesterday; the very man I want to see
Antonyms: different
Definition: unlike in nature or quality or form or degree
Antonyms: other
Definition: not the same one or ones already mentioned or implied
Main entry: identical, superposable
Definition: coinciding exactly when superimposed
Usage: identical triangles
Antonyms: incongruent
Definition: not congruent
Main entry: identical
Definition: having properties with uniform values along all axes
Antonyms: anisotropic
Definition: not invariant with respect to direction