List of manfully synonyms and manfully related words.
arduously, bec et ongles, courageously, dauntlessly, effortfully, gamely, hammer and tongs, hard, heart and soul, heroically, industriously, laboriously, like a man, mettlesomely, operosely, pluckily, spunkily, strenuously, the hard way, toilsomely, tooth and nail, with a will, with effort