abruptness, aggressiveness, bearishness, beastliness, bluntness, boorishness, brachylogy, brashness, brevity, briefness, brusqueness, brusquerie, churlishness, compactness, compendiousness, conciseness, concision, crispness, crustiness, dumbness, economy of words, gruffness, harshness, instantaneousness, laconicalness, laconism, littleness, lowness, muteness, nastiness, obmutescence, pauciloquy, pithiness, pointedness, quietness, quietude, reserve, roughness, sententiousness, severity, sharpness, short time, shortness, silence, sparingness of words, speechlessness, succinctness, summariness, surliness, taciturnity, terseness, transience, truculence, unloquaciousness, untalkativeness, wordlessness