Nonsquare is a term used to describe something that is not a perfect square. It can be used to refer to a number, shape, or object that does not have equal sides or angles. The term is often used in mathematics and geometry to describe shapes that are not symmetrical. The crossword solution for the term Nonsquare is BEATNIK, which is a term used to describe a person who is part of a subculture associated with the 1950s and 1960s. Beatniks were known for their unconventional lifestyles and their appreciation of jazz music and poetry.