undisciplined (adj.)
- adrift
- afloat
- alternating
- amorphous
- bad
- bibulous
- capricious
- changeable
- changeful
- crapulent
- crapulous
- desultory
- disobedient
- dizzy
- eccentric
- erratic
- excessive
- extravagant
- extreme
- fickle
- fitful
- flickering
- flighty
- fluctuating
- fractious
- freakish
- froward
- giddy
- gluttonous
- headstrong
- heady
- immoderate
- impetuous
- impulsive
- inconsistent
- inconstant
- incontinent
- indecisive
- indulgent
- infirm
- inordinate
- insubordinate
- intemperate
- intractable
- irregular
- irresolute
- irresponsible
- lawless
- licentious
- mazy
- mercurial
- moody
- mutinous
- naughty
- nonconforming
- obstinate
- overindulgent
- prodigal
- rambling
- rampant
- recalcitrant
- recusant
- restless
- roving
- scatterbrained
- self-indulgent
- self-willed
- shapeless
- shifting
- shifty
- spasmodic
- spineless
- swinish
- unaccountable
- unbridled
- uncertain
- unchecked
- unconstrained
- uncontrollable
- uncontrolled
- uncurbed
- undependable
- undutiful
- uneducated
- unfixed
- ungovernable
- ungoverned
- unlimited
- unmanageable
- unmeasured
- unpredictable
- unprepared
- unreliable
- unrestrained
- unruly
- unschooled
- unsettled
- unstable
- unsteady
- untaught
- untoward
- untrained
- untutored
- vacillating
- vagrant
- variable
- violative
- volatile
- wandering
- wanton
- wavering
- wavy
- wayward
- whimsical
- wild
- wildcat
- willful
- wishy-washy
