Wast quiescent means inactive or dormant, and its antonyms refer to being active and lively. Some of the most common antonyms for wast quiescent include energetic, lively, active, dynamic, animated, and bustling. All of these words describe a state of activity or motion, often associated with excitement or energy. Other antonyms for wast quiescent include vivacious, vivifying, and invigorating, which suggest a renewal of energy or spirit. In contrast, stagnation, lethargy, and sluggishness are additional synonyms for wast quiescent, which describe a lack of energy or movement. By using antonyms of wast quiescent, one can paint a vivid picture of activity and movement, rather than stillness and inactivity.