THESAURUS
not cricket
Bohemian, beat, below the belt, breakaway, far out, foul, free and easy, fringy, heretical, heterodox, hippie, informal, kinky, maverick, not done, not fair, not kosher, offbeat, original, unconventional, unfair, unfashionable, unorthodox, unsporting, unsportsmanlike, unsportsmanly, way out