the desire to learn or know about anything; inquisitiveness.

a curious, rare, or novel thing.

a strange, curious, or interesting quality.

Archaic . carefulness; fastidiousness.

noun

disinterest , indifference , normality , incuriosity , uninquisitiveness

noun

concern , eagerness , inquiring mind , inquiringness , inquisitiveness , interest , interestingness , intrusiveness , investigation , meddlesomeness , meddling , mental acquisitiveness , nosiness , officiousness , prying , questioning , regard , searching , snoopiness , snooping , thirst for knowledge , anomaly , bibelot , bygone , conversation piece , curio , exoticism , freak , knickknack , marvel , monstrosity , nonesuch , objet d’art , oddity , peculiar object , prodigy , rarity , singular object , trinket , unusual object , wonder , curiousness , objet d\'art , rara avis