1 having only one syllable 单音节的

2 (used about a person or his/her way of speaking 指人或其说话方式) saying very little, in a way that appears rude to other people （说话）简短的（听起来没礼貌或唐突）: He gave monosyllabic replies to everything I asked him. 我无论问他什么他都答得很简短。