illicitKK [ˏɪˋlɪsət] /ˌɪˈlɪsət/發音形容詞1非法的、違法的、違禁的Police seized a large quantity of illicit drugs at the port.警方在港口查獲大量違禁藥品。2不正當的、不倫的、見不得人的He kept his illicit affair secret for almost three years.他把這段不倫戀隱瞞了將近三年。