inattentive
adjectiveExhibiting a lack of attention; not attentive.
Not attentive; not fixing the mind attentively; heedless; careless; negligent: as, an inattentive habit.
Synonyms Abstracted, Preoccupied, etc. See 
Not attentive; not fixing the mind on an object; heedless; careless; negligent; regardless
adjectiveOf or pertaining to lack of 
showing a lack of attention or care
adjectivenot showing due care or attention

 
					 
					