Unbended is a term used to describe something that has not been straightened, relaxed, or loosened. The antonyms for unbended are words that describe things that have been bent, tightened, or constricted. Some of the antonyms for unbended include bent, folded, flexed, curved, coiled, twisted, tightened, and constricted. For example, a paperclip that has been bent is the antonym of an unbended paperclip. Similarly, a tightened muscle is the antonym of an unbended muscle. The use of antonyms helps to provide context and clarity when describing objects or concepts that have a polar opposite meaning.