mistakenly

(adverb)

mɪˈsteɪkənli

Definitions

In a way that is wrong or incorrect.
When truth dances just out of reach, and reality wears a playful disguise.

Example: She mistakenly believed the meeting was at noon.

Derived from the verb 'mistake', from Middle English mistaken, from mis- + taken.

erroneously, incorrectly, wrongly, falsely

correctly, rightly, accurately, truly