stoical, stoic, nonchalant, undemonstrative, taciturn, imperturbable, diffident, unruffled, unflappable, garrulous, stolid, genial, jovial, jocular, amiable, laconic, lugubrious, unexcitable, unflustered, bemused, scatty, dour, impassive, ebullient, droll, schoolmasterly, insouciant, unassertive, clubbable, morose, sanguine, monosyllabic, humorless, affable, pugnacious, disdainful, avuncular, hangdog, supercilious, grumpy, incommunicative, brusque, placid, peevish, unforthcoming, snappish, blithe, equable, indifferent, cocksure, circumspect, blase, loquacious, deadpan, excitable, voluble, tetchy, nonplussed, waspish, saturnine, unemotional, imperious, sheepish, cavalier, gruff, choleric, irascible, glum, reticent, fastidious, smug, flappable, likeable, splenetic, querulous, dismissive, talkative, urbane, chirpy, cagier, fatalistic, cheerful, gung ho, schoolmarmish, twitchy, sarcastic, dyspeptic, mulish, curmudgeonly, truculent, rueful, exasperated, pedantic, extrovert, undynamic, surly, effusive, defiant, suave, downcast, clueless, incredulous, quarrelsome, cantankerous, inquisitive, timid, unsociable, easygoing, inoffensive, lethargic, submissive, tempered

phlegmatically

phlegmatical