adjective / noun
defensive
dih-FEN-siv/dɪˈfensɪv/
Directed toward protection against attack.
The players form a defensive wall between the approaching ball and their goal.

Etymology
The verb's central idea is warding off an attack, whether physical or verbal. Defensive describes something serving that protective purpose, including measures against danger and responses to criticism.
In context
People become defensive because of why they think you're saying it.
to get all defensive and not hear what the person's asking.
More examples
- The team adopts a defensive strategy to protect its lead.
- Her questions put him on the defensive.
- He gets defensive when anyone questions his work.
Forms
defensive · more defensive · most defensive
defensively adverb — In a way that resists attack
defensiveness noun — Readiness to defend oneself against criticism
Similar words
- protective
- Protective emphasizes preventing harm, not necessarily resisting an attack.
- guarded
- Guarded emphasizes cautious restraint rather than actively defending oneself.