The word "intertwisted" refers to two or more things that are twisted or woven together. Its opposite or antonym would be "untwisted," meaning something that is not twisted or not woven together. Other antonyms for "intertwisted" could include "separated," "unconnected," "loose," "unconverted," "isolated," "detached," "single," "disentangled," "disentwined," "unraveled," among others. These antonyms convey the opposite meaning of "intertwisted," suggesting a state of being apart or separate instead of being interwoven or intertwined. The choice of antonym depends on the context and intended meaning of the sentence.