1. (a.) Not mannerly; ill-bred; rude.

2. (adv.) Uncivilly; rudely.

Spartan abbreviated abridged abrupt aggressive aposiopestic artless bearish beastly bluff blunt brash brief broad candid cavalier churlish clipped close close-tongued closemouthed compact compendious compressed concise condensed contracted crisp crusty curt cut direct discourteous docked downright dumb economical of words elliptic epigrammatic explicit forthright frank frankhearted free free-speaking free-spoken free-tongued genuine gnomic gruff harsh heart-to-heart ill-mannered impolite indisposed to talk ingenuous laconic mum mute open openhearted outspoken overbearing pithy plain plain-spoken pointed pruned quiet reserved rough round rude sententious severe sharp short short and sweet shortened silent sincere snippety snippy snug sparing of words speechless straight straight-out straightforward succinct summary surly synopsized taciturn terse tight tight-lipped to the point tongue-tied transparent truculent truncated unchecked uncivil unconstrained unequivocal ungracious unguarded unloquacious unmannerly unreserved unrestrained untalkative word-bound wordless