curtness n an abrupt discourteous manner Usage(s) But steer the conversation toward the minefield of politics, and the 25-year-old's dramatic exuberance fades away to embarrassed curtness. But when her climate curdles her to rhyme, her curtness often turns to slightly acidulous whey. Characteristics: Modesty, taciturnity, diffidence (women make him blush), singleness of purpose, courage, occasional curtness, phlegm. Synonym(s) abruptness brusqueness gruffness shortness