D defs.my
Entry 1 sense Webster, 1913

Falsely

/fôl'-slē/ · False·ly · IPA /fˈɔlsliː/
01 adv. In a false manner; erroneously; not truly; perfidiously or treacherously.
  1. 1.
    In a false manner; erroneously; not truly; perfidiously or treacherously.
    “Oppositions of science, falsely so called.” — 1 Tim. vi. 20.
    “Will ye steal, murder . . . and swear falsely ?” — Jer. vii. 9.