The word "un-suppler" refers to something that is stiff or inflexible. The antonyms for this term are words that describe something that is pliable, flexible or adaptable. Some examples of antonyms for "un-suppler" include limber, bendy, elastic, lithe, malleable, pliant, and flexible. These terms all describe something that can be easily bent, twisted, or stretched without breaking. Having a supple body or mindset is important for success in many fields, including sports, dance, and business. By using these antonyms, you can describe people, objects, or concepts that embody these desirable qualities of flexibility and adaptability.