Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

866. Indifference — N. indifference, neutrality; coldness &c adj.;

anaphrodisia†; unconcern, insouciance, nonchalance; want of interest, want of earnestness; anorexy†, anorexia, inappetency†; apathy &c (insensibility) 823; supineness &c (inactivity) 683; disdain &c 930; recklessness &c 863; inattention &c 458. anaphrodisiac†, antaphrodisiac†; lust-quencher, passion-queller†. V. be indifferent &c adj.; stand neuter; take no interest in &c (insensibility) 823; have no desire for &c 865, have no taste for, have no relish for; not care for; care nothing for, care nothing about; not care a straw about, not care a fig for, not care a whit about &c (unimportance) 643; not mind. set at naught &c (make light of) 483; spurn &c (disdain) 930. Adj. indifferent, cold, frigid, lukewarm; cool, cool as a cucumber; unconcerned, insouciant, phlegmatic, pococurante†, easygoing, devil-may- care, careless, listless, lackadaisical; half-hearted; unambitious, unaspiring, undesirous†, unsolicitous†, unattracted. [indifferent toward people] aloof, unapproachable, remote; uncaring. unattractive, unalluring, undesired, undesirable, uncared for, unwished†, unvalued, all one to. insipid &c 391; vain. Adv. for aught one cares. Int. never mind; Who cares? whatever you like, whatever. Phr. I couldn't care less, I could care less; anything will do; es macht nichts [G.].