diffident Definition

timid, unconfident, shy, unsure, reserved, coy, taciturn, unassertive, reticent, bashful, imperturbable, timorous, sheepish, undemonstrative, guileless, unassuming, amiable, pensive, stolid, sullen, gawky, nonchalant, affable, studious, stoic, morose, disdainful, talkative, cocksure, impassive, cocky, boyish, assertive, unflappable, phlegmatic, introverted, stoical, pugnacious, genial, sphinxlike, laconic, voluble, callow, garrulous, unforthcoming, avuncular, incommunicative, owlish, bookish, dutiful, urbane, inexpressive, impish, scatty, supercilious, bumptious, inarticulate, saturnine, nerdish, clubbable, standoffish, impetuous, snappish, jocular, waspish, gruff, puppyish, maladroit, dour, unshowy, debonair, unexpressive, gregarious, unexcitable, schoolboyish, straightlaced, obsequious, extroverted, dandyish, equanimous, eccentric, unruffled, inscrutable, affectless, decorous, pudibund, insouciant, introspective, querulous, goatish, suave, schoolmarmish, obdurate, conceited, unprepossessing, tetchy, peevish, caddish, epicene, orotund,