| 1. | serving to defend; protective: defensive armament. |
| 2. | made or carried on for the purpose of resisting attack: defensive treaty; a defensive attitude. |
| 3. | of or pertaining to defense. |
| 4. | (of stocks, securities, etc.)
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| 5. | excessively concerned with guarding against the real or imagined threat of criticism, injury to one's ego, or exposure of one's shortcomings. |
| 6. | a position or attitude of defense: to be on the defensive about one's mistakes. |
| 7. | Obsolete. something that serves to defend. |