The term 'most aflame' represents a state of being excessively passionate, zealous, or enthusiastic about something. Some antonyms that can be used to describe the opposite of 'most aflame' include calm, indifferent, dispassionate, apathetic, and uninterested. Calm refers to a state of being peaceful, free from agitation or excitement. Indifferent suggests a lack of interest, concern, or enthusiasm. Dispassionate implies a lack of emotion, impartiality or objectivity. Apathetic suggests a lack of motivation and enthusiasm. Uninterested implies a lack of concern, attention or involvement. All these antonyms represent a different state of mind that is the opposite of being 'most aflame'.