unconcerned Synonyms

oblivious uninterested unmoved unruffled unobservant undisturbed unagitated at peace unawed blither unambitious unpolitical laid-back work-shy unfeeling unaffected torpid offhand passionless passive perfunctory phlegmatic phlegmatical pococurante reckless stoic stoical stolid supine tepid easygoing unenergetic undesirous uneager unemotional unenthusiastic unexcited unflustered unheeding unimpressionable uninquisitive unperturbed unstirred unsympathetic unthoughtful uncompassionate uncaring untroubled halfhearted carefree