undisciplined
adjective
See more 4-syllable adjectives

How to pronounce undisciplined:

Definition of undisciplined:

undisciplined (adjective):
not subjected to discipline.
lacking in discipline or self-control
behaving badly, with a lack of self-control

Synonyms for undisciplined:

adamant
adamantine
bad
balky
contrary
contumacious
defiant
disobedient
disorderly
dogged
fractious
froward
hardheaded
headstrong
immovable
implacable
incompliant
inflexible
insubordinate
insurgent
intractable
mischievous
mulish
mutinous
naughty
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