Antonyms for the word "wisecracked" include serious, somber, grave, solemn, humorless, and unfunny. These words indicate a lack of humor or informal banter that is often associated with a wisecrack. Seriousness denotes a sober and thoughtful mood, while somber suggests a gloomy or melancholic tone. Grave and solemn imply a weighty and dignified attitude, while humorless and unfunny indicate a lack of humor or playfulness. Antonyms for wisecrack may also refer to speech or behavior that is respectful, restrained, or polite, such as tactful, discrete, or considerate.