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.
ETYMOLOGY:
From Medieval Latin identicus, from Late Latin identits, identity. See identity.
OTHER FORMS:
i·denti·cal·ly ADVERB i·denti·cal·ness NOUN
USAGE NOTE:
Some authorities on usage specify with as the preferred preposition after identical, but either with or to is acceptable.