A boutade is a witty or impulsive remark, often made without much thought. There are several synonyms that can be used in place of boutade, including quip, wisecrack, epigram, bon mot, jest, and jibe. Each of these words conveys the same meaning as boutade but may be used in different contexts or situations. For example, a wisecrack may be more humorous or sarcastic than a quip, while an epigram is usually a concise and witty statement that is intended to be memorable. Whether you use boutade or one of its synonyms, they are all effective ways to describe a clever and spontaneous remark that adds humor or insight to a conversation.