Definition of mistakingly in English:

mistakingly

adverb

rare
  • Erroneously, incorrectly, mistakenly.

Origin

Mid 17th century; earliest use found in Peter Heylyn (1599–1662), Church of England clergyman and historian. From mistaking + -ly.

Pronunciation

mistakingly

/mɪˈsteɪkɪŋli/