adjective, noun, plural -ries.| 1. | of the nature of, conveying, or expressing a compliment, often one that is politely flattering: a complimentary remark. |
| 2. | given free as a gift or courtesy: a complimentary ticket. |
| 3. | something given or supplied without charge, as lodging, transportation, or meals, esp. as an inducement to prospective customers. |