Most snarling means the highest or most intense level of snarling, which refers to a growling or angry expression. The antonyms for this phrase would be calm, peaceful, or serene. These words convey a sense of tranquility and relaxation, which is the opposite of being snarling. Other antonyms for most snarling include content, happy, and pleased. These words indicate a state of satisfaction, pleasure, and joy, which contrasts with the aggressive behavior associated with snarling. Using these antonyms can help to create a positive atmosphere and evoke a sense of calmness and relaxation in your writing or speech.