The antonyms for the word "most turbulently" are calm, peaceful, tranquil, serene, placid, still, and quiet. These words describe a state of tranquility and steadiness, the opposite of a state of turbulence. Calm signifies a lack of disturbance or agitation, while peaceful describes a state of freedom from disturbance or war. Tranquil implies a state of quiet repose, free from agitation and commotion. Serene evokes a sense of calmness and contentment, while placid suggests a state of calmness and peacefulness. Still connotes a sense of full rest, freedom from agitation, and quietness, while quiet denotes absence from noise or disturbance.