There are many synonyms for the word "unform" depending on its intended meaning. If it means the state of being shapeless or formless, synonyms for "unform" would include amorphous, shapeless, formless, unstructured, and vague. If it means the act of undoing or breaking apart something previously formed or structured, then synonyms for "unform" would include disintegrate, crumble, dissolve, and break apart. No matter the intended meaning, using synonyms for "unform" can help add a more vivid and varied vocabulary to writing or speech.