insouciant, phlegmatic, blase, stoic, lackadaisical, unruffled, unconcerned, nonplussed, bemused, jovial, sheepish, deadpan, cavalier, bashful, stoical, oblivious, flippant, cocky, apologetic, dismissive, disdainful, comical, incredulous, blithe, diffident, clueless, impassive, smug, circumspect, unflustered, indifferent, laconic, imperturbable, cocksure, unflappable, gleeful, jocular, laidback, sarcastic, gung ho, unperturbed, amiable, ambivalent, easygoing, goofy, perturbed, apprehensive, brusque, unforthcoming, relaxed, unselfconscious, cheerful, droll, unfazed, graceless, unworried, morose, genial, unassertive, polite, businesslike, chatty, lighthearted, chirpy, befuddled, talkative, haughty, hangdog, flummoxed, unenthusiastic, contemptuous, guileless, cheeky, nerdish, condescending, emotionless, boastful, peevish, carefree, dumbfounded, timid, glum, sanguine, demonstrative, taciturn, schoolmarmish, coy, pensive, jittery, humorless, giggly, defiant, sly, imperious, uptight, impish, fatalistic, evasive, perplexed, playful, scatty, fidgety, jaunty, careless, patronising, noncommittal, affable, arrogant, languid, debonair, insolent, ladylike, effacing

pococurante

casual