Antonyms for the word "most frantically" include words like "calmly", "casually", "quietly", "serenely", "tranquilly", and "composedly". These words describe a state of being relaxed, peaceful, and composed, rather than being in a state of panic or anxiety. For example, instead of running around most frantically trying to complete a task, one could work calmly and efficiently. Antonyms for the word "most frantically" emphasize a sense of control and balanced behaviour, helping individuals to approach situations calmly and methodically. It is essential to know both the synonyms and antonyms of a word to better understand its usage in a particular context.