"It was-it was only something, sir"-the lieutenant blushed, and hesitated, and looked away unmanfully-"which I asked Captain Honyman to leave out, because-because it had nothing to do with it.
"Springhaven A Tale of the Great War"
R. D. Blackmore
When he understood his anxiety it vexed him, and he rebuked himself for taking things unmanfully hard.
"Roderick Hudson"
Henry James
He took love unmanfully; the passion struck at his weakness; in wrath at the humiliation, if only to revenge himself for that, he could be fiendish; he knew it, and loathed the desired fair creature who caused and exposed to him these cracks in his nature, whence there came a brimstone stench of the infernal pits.
"The Complete Project Gutenberg Works of George Meredith"
George Meredith