The antonyms for the word "more hushful" could include "loud," "noisy," "raucous," "boisterous," or "clamorous." These words describe situations or environments filled with sound or activity, contrasting with the peaceful and quiet atmosphere of something "hushful." To "unhush" a place means to break its silence or stillness with noise, activity or excitement. The antonyms of "hushful" may be necessary in some contexts, such as for energetic social gatherings, concerts, or parties, although the need for quiet and calm may arise in other situations, such as in libraries, places of worship, or hospitals.