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