Backswing is a golfing term that refers to the motion of bringing the club back before striking the ball. Antonyms for backswing are terms that describe movements that are not related to golf. Some antonyms include "forward motion," "advance," and "progression." These words signify progression or forward movement rather than a preparatory movement. Other antonyms for backswing could be "stillness," "halt," or "stagnation." These words signify a lack of motion or activity. While backswing is a necessary component of golf, it is not a term that often comes up in everyday conversation, making it challenging to find suitable antonyms.