Doubletime refers to the act of doing something at a faster pace or speed. Antonyms for doubletime would be words that describe slower or relaxed actions. For instance, leisurely, unhurried, relaxed, or easygoing are direct antonyms for doubletime. They refer to a slow and easy approach to performing a task or carrying out an activity. Other antonyms that can be used for doubletime include gentle, slow-moving, lazy, and sluggish. These words describe a pace that is not driven by speed or urgency, but rather by comfort and ease. In summary, antonyms for doubletime characterize a more relaxed and unhurried pace, which is the direct opposite of doubletime.