The definition of erroneous is something that is incorrect or in error.
An example of an erroneous statement is that the earth is flat.
containing or based on error; mistaken; wrong
Origin of erroneousMiddle English from Classical Latin erroneus, wandering about from errare: see err
Containing or derived from error; mistaken: erroneous conclusions.
Origin of erroneousMiddle English from Latin errōneus from errō errōn- a vagabond from errāre to err, wander ; see ers- in Indo-European roots.
(comparative more erroneous, superlative most erroneous)
- Nouns to which "erroneous" is often applied: impression, assumption, belief, conclusion, statement, idea, data, view, opinion, judgment, notion, decision, interpretation, diagnosis, conception, theory, reading, instruction, ruling, assessment, doctrine, advice, value, application, thinking, perception, principle, concept, action, description, record, determination, teaching, inference, premise, conviction, reasoning, argument, exclusion, calculation, inclusion, treatment, deductions, analysis.
From Old French and Latin erroneus