As adjectives the difference between undisciplined and disciplined
is that undisciplined is not subjected to discipline, control or correction; uncorrected while disciplined is possessing mental discipline.
As a verb disciplined is
(discipline).
undisciplined
English
Adjective
(
en adjective)
not subjected to discipline, control or correction; uncorrected
lacking in self-control; ungovernable
disciplined
English
Adjective
(
en adjective)
Possessing mental discipline.
Punished for disobedience.
Under control.
Verb
(head)
(discipline)