The word "guarled" is quite specific, meaning twisted or contorted in an unpleasant manner. However, there are several synonyms that can accurately convey a similar meaning. For example, the word "gnarled" is often used to describe twisted tree branches or a person's hands with arthritis. Another option is "writhed," which implies a twisting or contorting movement. "Distorted" can also be used to describe a twisted appearance, particularly in a visual sense. Other potential synonyms include "warped," "withered," and "crumpled." These words all suggest a sense of deformity or disfigurement, making them useful alternatives to "guarled" in a variety of contexts.