noun, verb, -cat⋅ed, -cat⋅ing, adjective | 1. | a copy exactly like an original. |
| 2. | anything corresponding in all respects to something else. |
| 3. | Cards. a duplicate game. |
| 4. | to make an exact copy of. |
| 5. | to do or perform again; repeat: He duplicated his father's way of standing with his hands in his pockets. |
| 6. | to double; make twofold. |
| 7. | to become duplicate. |
| 8. | exactly like or corresponding to something else: duplicate copies of a letter. |
| 9. | consisting of or existing in two identical or corresponding parts; double. |
| 10. | Cards. noting a game in which each team plays a series of identical hands, the winner being the team making the best total score. |
| 11. | in duplicate, in two copies, esp. two identical copies: Please type the letter in duplicate. |