Zaniness refers to a state of being wacky, crazy, or foolishly amusing. Some antonyms for zaniness could be seriousness, gravity, solemnity, sobriety, or somberness. These words suggest a more subdued or serious demeanor, indicating a lack of frivolity or lightheartedness. Alternatively, balance, stability or sanity could also be considered antonyms for zaniness, indicating emotional composure or stability that contrasts with zany behavior. While zaniness might be enjoyable in certain circumstances, excessive or inappropriate use of such behavior can be tiresome or unprofessional. Hinged with an antonym like balance, one's eccentricity, and humor can be better appreciated without overdoing it.