"Be girded" means to be equipped or prepared for something. Antonyms for the term can include being unprepared or ill-equipped. Some other opposite terms that might apply include being vulnerable, unprotected, unarmed, or unequipped. In short, when you are not girded, you might be susceptible to danger or harm, you may be uncertain, and you might not have the resources you need to get a task or situation done. It is essential to be prepared and equipped for challenges, and the antonyms for "be girded" emphasize the importance of being alert and ready for any situation that may arise.