Definitions of identical:

  • adjective:   having properties with uniform values along all axes
  • adjective:   exactly alike; incapable of being perceived as different
    Example: "Rows of identical houses"
  • adjective:   being the exact same one; not any other:
    Example: "This is the identical room we stayed in before"
  • adjective:   (of twins) derived from a single egg or ovum
    Example: "Identical twins are monovular"
  • adjective:   coinciding exactly when superimposed
    Example: "Identical triangles"