かもしれんCommon word›Meanings1expressionmay; might; perhapsusually written using kana aloneCasual contraction of かもしれない, used in informal speech or writing. Expresses possibility or uncertainty.See also: かもしれない明日あしたは雨あめかもしれん。It might rain tomorrow.彼かれはもう帰かえったかもしれん。He may have already gone home.