English Antonyms Practice Test 4

Culpable : deserving blame.
Irresponsible : (of a person, attitude, or action) not showing a proper sense of responsibility.
Careless : not giving sufficient attention or thought to avoiding harm or errors.
Blameless : innocent of wrongdoing.
Defendable : Capable of being defended against armed attack.

Antonym of Culpable is Defendable