How do you spell Defensive

Available Definitions:
1)  a. - Serving to defend or protect; proper for defense; opposed to offensive; as, defensive armor.
2)  a. - Carried on by resisting attack or aggression; -- opposed to offensive; as, defensive war.
3)  a. - In a state or posture of defense.
4)  n. - That which defends; a safeguard.