"Have free play" is a phrase that means to have the ability to act or behave freely without any restriction or hindrance. Some synonyms for the phrase "have free play" include "have liberty," "have free rein," "have freedom," "have the run of," "have open access," "have untrammelled scope," "have unrestricted access," or "have full range." Using these synonyms will help add variety to your writing, making it more engaging and interesting. The phrase "have free play" is often used in a creative context such as art, music, and playtime, where individuals are encouraged to explore their creativity and imagination without limits.