Bons mots, a French term that translates to good words or witty remarks, has several antonyms in the English language. These antonyms signify a lack of verbal dexterity or wit. Words such as dullness, mediocrity, and banality describe the opposite of bons mots. Other antonyms include inarticulate, unremarkable, and pedestrian. These words describe a person or conversation that is lacking in charm or quick-wittedness. While bons mots may engage and entertain a listener, their antonyms may cause boredom or disinterest. Therefore, it is important to choose your words carefully and use them strategically in any conversation or social setting.