- discipline⇄discipline, noun, verb, -plined,-plining.
- discipline⇄noun 1. training, especially training of the mind or character.
Ex. Children who have had no discipline are often hard to teach.
2. the training effect of experience, misfortune, or other happenings.
Ex. The discipline of his early har - discipline⇄v.t. 1. to train; bring to a condition of order and obedience; bring under control.
Ex. An officer must know how to discipline the untrained recruits.
2. to punish; chastise.
Ex. You ought to discipline that rude boy for bad behavior.