The antonyms for the word "more out of action" suggest the opposite of being inactive, injured or unavailable. Synonyms for these antonyms include alert, energetic, active, lively, quick, swift and fleet. These terms relate to being available, fit and responsive physically and mentally. These antonyms may provide the impression of being vibrant, healthy, and capable of accomplishing tasks easily. It is essential to recognize antonyms to understand the meaning and context of a word fully. Therefore, one can use these antonyms to express the opposite of being "more out of action" and convey a clear message, whether in speech or writing.