fałszywie

Etymology
From.

Adverb

 * 1) falsely, incorrectly, wrongly
 * 2) falsely, duplicitously, fallaciously
 * 3) affectedly, disingenuously, insincerely
 * 4) in an out of tune manner
 * 1) affectedly, disingenuously, insincerely
 * 2) in an out of tune manner
 * 1) in an out of tune manner