unmindful (adj.)
- absentminded
- airy
- aloof
- amnestic
- apathetic
- asleep
- ataractic
- blase
- blocked
- bored
- careless
- casual
- converted
- cursory
- degage
- detached
- devil-may-care
- disinterested
- dispassionate
- distant
- distracted
- distrait
- easygoing
- flippant
- forgetful
- heedless
- impassive
- inadvertent
- inattentive
- incognizant
- inconsiderate
- incurious
- indifferent
- insensible
- insouciant
- lackadaisical
- lazy
- listless
- mindless
- napping
- negligent
- nonchalant
- oblivious
- offhand
- perfunctory
- phlegmatic
- reckless
- regardless
- repressed
- stolid
- suppressed
- tactless
- thankless
- thoughtless
- unaccommodating
- unappreciative
- unaware
- unconcerned
- unconscious
- uncooperative
- undiplomatic
- undiscriminating
- ungrateful
- unhearing
- unheeding
- unhelpful
- uninquiring
- uninterested
- uninvolved
- unknowing
- unobliging
- unobservant
- unperceiving
- unprepared
- unready
- unseeing
- unsuspecting
- untactful
- unthankful
- unthinking
- unthoughtful
- unwitting
- withdrawn
- witless
