Wiktionary
adv. In a backhanded manner.
Usage examples of "backhandedly".
A good reminder, really, that he was not the arbiter of good and bad in the world, just a guy working backhandedly for his country, and so the authority to make such a decision did not rest entirely on his shoulders.
The monster roared and backhandedly slapped the Elfess aside, smashing her into the vestibule wall, DĂșnamis lost to her grasp, skittering across the stone.
He was bringing the muzzle up to point at Gordon's stomach, but Gordon was already slashing backhandedly with the jambiyah.
She stepped right past the turned blades, right up before the bard, and backhandedly slapped her across the face, and then hit her again.
YeJsk stepped up close to Fursenko and slapped him backhandedly across the face.
Metcalfe pointed backhandedly at his dinner jacket, gave a crooked smile.