1. being the same: another orator who used the senator's identical words.
2. exactly equal and alike.
3. having such a close similarity or resemblance as to be essentially equal or interchangeable.
4. biology of or relating to a twin or twins developed from the same fertilized ovum and having the same genetic makeup and closely similar appearance; monozygotic.

1. bearing full likeness by having precisely the same set of characteristics; indistinguishable.
2. not different or other; not another or others; not different as regards self; selfsame; numerically identical.
3. having some particular qualities or characteristics in common, but not all of them.
4. of twins, sharing the same genetic code.
5. exactly equivalent.
6. approximating or approaching exact equivalence.
7. something which has exactly the same properties as something else.

1. the same; the selfsame; the very same; not different.
2. uttering sameness or the same truth; expressing in the predicate what is given, or obviously implied, in the subject; tautological.

1. being the same; absolutely indistinguishable; distinguishable only as points of view of that which is one in its own being: also used loosely to express the fact that two or more things compared are the same in the particulars considered, or differ in no essential point.
2. expressing identity.

1. exactly alike; incapable of being perceived as different
2. (of twins) derived from a single egg or ovum
3. having properties with uniform values along all axes
4. being the exact same one; not any other:
5. coinciding exactly when superimposed