1. [ adjective ] intended or appropriate for defending against or deterring aggression or attack

"defensive weapons" "a defensive stance"

Related terms: offensive antisubmarine defending en_garde antitank antiaircraft protective
2. [ adjective ] attempting to justify or defend in speech or writing
Synonyms: justificative justificatory excusatory
Related terms: apologetic
3. [ adjective ] serving as or appropriate for defending or protecting

"defensive fortifications" "defensive dikes to protect against floods"

Related terms: protective
4. [ noun ] an attitude of defense; especially in the phrase "on the defensive"
Synonyms: defensive_attitude
Related terms: attitude
Similar spelling:   defensively