Wiktionary
anachronistically
adv. In an anachronistic manner; in the manner of an anachronism.
WordNet
anachronistically
adv. in an anachronistic manner; "let's look at this phenomenon anachronistically"
Usage examples of "anachronistically".
Sour clumps of travelers drifted amongst the chuck wagons and the anachronistically styled riding enclosures, looking grim.
White lace doilies lay like winter snowflakes on all the arms of the furniture, and linen antimacassars anachronistically protected the upholstered backs from men who no longer slicked their hair with Macassar oil.
Down the street, set anachronistically into the sandstone facade of an old bank, was an ATM machine with a familiar logo.