taciturn, deadpan, droll, wry, gruff, genial, stoic, monosyllabic, jocular, drawling, sardonic, undemonstrative, garrulous, affable, affectless, imperturbable, amiable, phlegmatic, diffident, insouciant, saturnine, glib, hangdog, inexpressive, gnomic, avuncular, stolid, pithy, loquacious, cocksure, lugubrious, morose, debonair, brusque, orotund, pugnacious, unassuming, irascible, jovial, nonchalant, humorless, gravelly, impassive, suave, grizzled, brash, stoical, unflappable, verbose, adenoidal, rueful, easygoing, erudite, sarcastic, rawboned, gregarious, guileless, moody, melancholy, surly, unshowy, unexpressive, voluble, dour, steely, stentorian, laidback, epigrammatic, terse, curt, uninflected, schoolmasterly, stubbled, eloquent, supercilious, unexcitable, flinty, weaselly, plainspoken, florid, growly, unassertive, owlish, mustachioed, unquotable, unemotional, chatty, hemingwayesque, courtly, goatish, dandified, unhurried, blithe, bespectacled, folksy, acerbic, rakish, puckish, cocky, curmudgeonly, ebullient, sphinxlike, cryptic, noncommittal, flippant, succinct, committal, enigmatical, enigmatic, facetious, deprecatory, exclamatory, sententious, deprecating, ironical, laudatory

dryly, laconically

concise, crisp