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A term used by parents and guardians to give certain weight to doing tasks normally not enjoyed/wanted (ie chores, homework).

"Building character" should be defined as creating strength within yourself to complete tasks that you normally would not appreciate doing when you don't have someone forcing your actions.
Son : But, MOM!!! I don't want to mow the grass!
Mother : Do it anyway.
Father : Yes, son, it builds character.
by dezy July 07, 2004