adjective
easygoing, laid back
Synonyms: airy, aloof, apathetic, blasé, calm, careless, casual, cold, collected, composed, cool, detached, disimpassioned, disinterested, dispassionate, easy, effortless, happy, impassive, imperturbable, incurious, indifferent, insouciant, lackadaisical, light, listless, loose, lukewarm, mellow, neglectful, negligent, neutral, offhand, placid, serene, smooth, trifling, uncaring, unconcerned, unemotional, unexcited, unfeeling, unflappable, unimpressible, unperturbed, unruffled, untroubled
Antonyms: intense, jumpy, nervous, unnerved