Definition of Identical

Adjective: identical I'den-ti-kul

Exactly alike; incapable of being perceived as different
"rows of identical houses"; "cars identical except for their licence plates";
- indistinguishable
Being the exact same one; not any other:
"this is the identical room we stayed in before";
- selfsame, very
(of twins) derived from a single egg or ovum
"identical twins are monovular";
- monovular
(physics) having properties with uniform values along all axes
Coinciding exactly when superimposed
"identical triangles";
- superposable