1) Formless 2) Ill-formed 3) Indefinite 4) Misshapen or deformed 5) Not shaped 6) Not shapely 7) Shapeless 8) Unformed 9) Unpleasing in shape 10) Unshaped Found on https://www.crosswordclues.com/clue/unshapen
not shaped or definitely formed; shapeless; formless; indefinite. · not shapely; unpleasing in shape; ill-formed. · misshapen or deformed. Found on https://www.infoplease.com/dictionary/unshapen