1. (a.) Not interested; not having any interest or property in; having nothing at stake; as, to be uninterested in any business.

2. (a.) Not having the mind or the passions engaged; as, uninterested in a discourse or narration.

Laodicean Olympian aloof apathetic ataractic benumbed blah blase bored bored stiff bored to death bored to tears careless casual comatose desensitized detached devil-may-care disinterested dispassionate disregardful distant dull easygoing heartless hebetudinous heedless hopeless impassive in a stupor inattentive incurious indifferent inexcitable insouciant lackadaisical languid lethargic listless mindless negligent nonchalant numb numbed passive perfunctory phlegmatic pluckless pococurante reckless regardless remote resigned slack sluggish soporific spiritless spunkless stoic stolid stupefied stuporous with boredom supine torpid turned-off unanxious uncaring unconcerned undiscriminating uninquiring uninvolved unmindful unsolicitous withdrawn