fair and square . fair and square {adv. phr.}, {informal} Without cheating; honestly. He won the game fair and square. Categories: add yours {adv. phr.} {informal} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 » In RussianTo section: F Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss