The term 'not solid-colored' can be described by two crossword solutions: PINTO (5 letters) and Pied (4 letters). PINTO is a term used to describe a horse or other animal with a coat of two or more colors, usually white and brown. Pied is a term used to describe an animal or person with patches of two or more colors, usually black and white. Both terms refer to animals or people that are not solid-colored.