UNINTERESTED
uninterested
(adjective) having no care or interest in knowing; “she appeared totally uninterested”
uninterested
(adjective) not having or showing interest; “an uninterested spectator”
Source: WordNet® 3.1
Etymology
Adjective
uninterested (comparative more uninterested, superlative most uninterested)
(obsolete) Unmotivated by personal interest; unbiased, disinterested.
Not interested; indifferent, not concerned.
Source: Wiktionary
Un*in"ter*est*ed, a.
1. Not interested; not having any interest or property in; having
nothing at stake; as, to be uninterested in any business.
2. Not having the mind or the passions engaged; as, uninterested in a
discourse or narration.
Source: Webster’s Unabridged Dictionary 1913 Edition