What does "defensive" mean?

Defensive: Carried on by resisting attack or aggression; -- opposed to offensive; as, defensive war.

Additional senses

  1. 2.In a state or posture of defense. Milton.
  2. 3.That which defends; a safeguard. Wars preventive, upon just fears, are true defensive. Bacon. To be on the defensive, To stand on the defensive, to be or stand in a state or posture of defense or resistance, in opposition to aggression or attack.

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