Exceptional, conspicuous, outstanding, most usually in a negative fashion.
* 16thC , ,
- The student has made egregious errors on the examination.
* c1605 , , Act 2, Scene 3,
- I cannot cross my arms, or sigh "Ah me," / "Ah me forlorn!" egregious foppery! / I cannot buss thy fill, play with thy hair, / Swearing by Jove, "Thou art most debonnaire!"
* 22 March 2012 , Scott Tobias, AV Club The Hunger Games [http://www.avclub.com/articles/the-hunger-games,71293/]
- My lord, you give me most egregious indignity.
Outrageously bad; shocking.
- When the goal is simply to be as faithful as possible to the material—as if a movie were a marriage, and a rights contract the vow—the best result is a skillful abridgment, one that hits all the important marks without losing anything egregious .
The negative meaning arose in the late 16th century, probably originating in sarcasm. Before that, it meant outstanding in a good way. Webster also gives “distinguished” as an archaic form, and notes that its present form often has an unpleasant connotation (e.g., "an egregious error" ). It generally precedes such epithets as “rogue,” “rascal,” "ass," “blunderer”.
Containing an error; inaccurate.
* His answer to the sum was erroneous .
Derived from an error.
* His conclusion was erroneous as it was based on a false assumption.
* His choice at the line-up was erroneous as he had only seen the mugger for an instant.
(legal) signifies a deviation from the requirements of the law, but does not connote a lack of legal authority, and is thus distinguished from illegal.
* If, while having the power to act, one commits error in the exercise of that power, he acts erroneously .
* 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.
* (containing an error) inaccurate, incorrect, wrong
* (derived from an error) fallacious, false, faulty, flawed
* (mistaken) mistaken, wrong