Antonyms for the word "arousals" may include words such as calmness, relaxation, sluggishness, lethargy, and inactivity. Calmness describes a state of tranquility and peacefulness, while relaxation denotes the easing of tension or nervousness. Sluggishness and lethargy refer to a lack of energy or enthusiasm, while inactivity suggests a state of being idle or unengaged. To speak of the antonyms for "arousals" is to refer to a lack of activity, excitement, or stimulation. Therefore, words that convey such meanings can be considered as antonyms of the term.