Antonyms for the phrase "kicks up heels" include words such as restraint, control, and decorum. When one is said to be kicking up their heels, it implies a certain amount of wildness, frivolity, or disregard for convention. Antonyms, on the other hand, suggest a more subdued or controlled demeanor. Rather than kicking up one's heels, one might exercise restraint, show decorum, or maintain composure. These antonyms can be useful in describing a more reserved or serious atmosphere, where wildness or frivolity would be inappropriate. By exploring the antonyms of common phrases like "kicks up heels," we can enrich our vocabulary and understanding of language.