Imperturbations refer to a state of being calm and unshaken. The antonyms of imperturbations are agitation, disturbance, turmoil, unrest, commotion, and disquietude. Agitation entails a state or feeling of anxiety, nervousness, or worry. Disturbance refers to a disruption of the normal or serene condition, such as one's peace, sleep, or routine. Turmoil represents a state of disorder, confusion or chaos. Unrest, on the other hand, connotes a lack of tranquillity, usually associated with political or social upheavals. Commotion employs to a noisy or violent disturbance inflamed by a crowd of people. Lastly, disquietude is a feeling of anxiety or worry.