The phrase "am in action" implies movement, energy, and purpose. Antonyms for this phrase could include "idle," "motionless," and "inactive." These terms suggest a lack of progress, a state of rest or stagnation, or a lack of purposeful momentum. Other potential antonyms might include "still," "quiet," or "stationary." These terms imply a lack of activity or movement, whether by choice or by circumstance. Overall, the antonyms for "am in action" convey a sense of stillness, a lack of drive or direction, and a disconnect from forward progress.