1. (a.) Fabricated in imitation of something else, with a view to defraud by passing the false copy for genuine or original; as, counterfeit antiques; counterfeit coin.

2. (adj.) Having a false resemblance to something else; portrayed.

3. (adv.) Assuming the appearance of something; false; spurious; deceitful; hypocritical; as, a counterfeit philanthropist.

4. (n.) That which resembles or is like another thing; a likeness; a portrait; a counterpart.

5. (n.) That which is made in imitation of something, with a view to deceive by passing the false for the true; as, the bank note was a counterfeit.

6. (n.) One who pretends to be what he is not; one who personates another; an impostor; a cheat.

7. (v. t.) To imitate, or put on a semblance of; to mimic; as, to counterfeit the voice of another person.

8. (v. t.) To imitate with a view to deceiving, by passing the copy for that which is original or genuine; to forge; as, to counterfeit the signature of another, coins, notes, etc.

9. (v. i.) To carry on a deception; to dissemble; to feign; to pretend.

10. (v. i.) To make counterfeits.