insouciant Synonyms

nonchalant casual worry-free unconcerned serene relaxed pococurante phlegmatic perfunctory offhand lukewarm listless lackadaisical uninterested unmoved unenthusiastic unemotional uncaring untroubled unworried happy-go-lucky carefree easygoing lighthearted laid-back unruffled jaunty indifferent composed cold cavalier careless calm buoyant breezy blithe blase apathetic aloof cool detached incurious impassive heedless half-hearted equable easy-going easy dispassionate dismissive