Walk backward, as in He cautiously backed away from the fire.
Gradually retreat, withdraw, as in Since he couldn't convince his colleagues, he's backing away from his original idea. Both usages employ the verb back in the sense of “retreat,” dating from the late 1400s. Also see back down; back out.
Words nearby back away
How to use back away in a sentence
Something like fluoride, which is too small for normal filters, yanks away that feeling of agency.
He observes the bodies floating away on the river, pulling on his cigarette with a sneer.Houellebecq’s Incendiary Novel Imagines France With a Muslim President|Pierre Assouline|January 9, 2015|DAILY BEAST
Think back to the Bush-Kerry race of 2004, the Thrilla in Vanilla.
Back in New York, the slow pace and inward focus of her yoga practice was less fulfilling.How Taryn Toomey’s ‘The Class’ Became New York’s Latest Fitness Craze|Lizzie Crocker|January 9, 2015|DAILY BEAST
Music is a huge part of the tone of Black Dynamite overall—going back to the original 2009 movie on which the series is based.‘Black Dynamite’ Presents Police Brutality: The Musical|Stereo Williams|January 9, 2015|DAILY BEAST
It was a decayed house of superb proportions, but of a fashion long passed away.Checkmate|Joseph Sheridan Le Fanu
I waited three months more, in great impatience, then sent him back to the same post, to see if there might be a reply.The Boarded-Up House|Augusta Huiell Seaman
She walked away toward another door, which was masked with a curtain that she lifted.Confidence|Henry James
Ages back—let musty geologists tell us how long ago—'twas a lake, larger than the Lake of Geneva.
The boys were tumbling about, clinging to his legs, imploring that numerous things be brought back to them.The Awakening and Selected Short Stories|Kate Chopin