adjective

erroneous

ih-ROH-nee-us/ɪˈrəʊniəs/

Incorrect or based on a mistake.

The counters expose the slate's arithmetic answer as erroneous.

An incorrect arithmetic result on a small slate, visibly contradicted by two pairs of counters totaling four.
Etymology

Latin erroneus meant “vagrant” or “wandering” before acquiring the sense “mistaken.” The shift connects physical wandering with intellectual error: an erroneous belief or statement has strayed from what is correct.

In context

Jieun Jeong7:09
What would it say if the law contains a load of erroneous decisions, a load of incorrect decisions?
4 3 Judicial precedent and the role of the Judges

More examples

  • An erroneous address sends the package to the wrong house.
  • She challenges the erroneous assumption that all snakes are dangerous.
  • We correct the erroneous dates before printing the invitations.

Forms

erroneously adverb — In an incorrect or mistaken way.

Similar words

incorrect
A broader term for anything not accurate or right.
mistaken
Often describes people or beliefs based on faulty understanding.
inaccurate
Specifically emphasizes a failure to match facts or measurements.