Definition of by mistake
: because of a mistake : without intending to I got on the wrong train by mistake.
Word by Word Definitions
: to blunder in the choice of
: to misunderstand the meaning or intention of : misinterpret
: to make a wrong judgment of the character or ability of
: a wrong judgment : misunderstanding
: a wrong action or statement proceeding from faulty judgment, inadequate knowledge, or inattention
Seen and Heard
What made you want to look up by mistake? Please tell us where you read or heard it (including the quote, if possible).