Most rheumatic refers to the condition that affects the joints, bones, and muscles, causing pain and stiffness. Antonyms for this term include phrases such as "least rheumatic," "non-rheumatic," and "unaffected by rheumatism." These terms suggest a state of wellness and indicate that there is little or no presence of rheumatism in the body. Other antonyms to consider may include words such as "healthy," "flexible," and "limber." These words paint a picture of an individual who is free of pain and discomfort and is able to move with ease. In conclusion, antonyms for most rheumatic describe a state of wellbeing in which an individual is free of rheumatism, pain, and stiffness.