erroneouser‧ro‧ne‧ous /ɪˈrəʊniəs $ ɪˈroʊ-/ AWL adjective formal 
Word Origin
His economic predictions are based on some erroneous assumptions.—erroneously adverb
Word OriginWORD ORIGINerroneous
ExamplesOrigin:
1300-1400 Latin erroneus, from errare; ➔ ERREXAMPLES FROM OTHER DICTIONARIES
Thesaurus- At least 15 million Americans still hold the erroneous view that cancer is contagious.
- Ricci's book tries to correct this erroneous view of ancient China.
- There were erroneous reports that the company had issued false statements.
- As they contrasted expectations with reality they admitted exasperatedly that they had accepted the job based on erroneous perceptions.
- Instinct has become unfashionable because of its association with an erroneous theory of development.
- It is erroneous to believe that the decisions of one age should be binding upon another age.
- It would be erroneous to overstate this apprehension, for there was another aspect to the argument.
- People are scared and paranoid of erroneous information they got.
- Some parents attribute incorrect or erroneous motives, desires or ideas to their children.
- There are basically two ways of controlling erroneous data.
- We in the news media help to perpetuate the erroneous cliche.
Longman Language Activatorbeliefs/ideas/actions etc► wrong
Word family · People used to believe that the world was flat, but we now know this is wrong.· Alice felt she had made the wrong decision.get the wrong impression · I wouldn't like you to get the wrong impression -- I do enjoy the course, but I just find it very hard work.
► mistaken: mistaken idea/belief/impression etc an idea, belief etc that people believe is right but is in fact wrong - use this as a polite way of saying someone is wrong: · Many people have the mistaken idea that AIDS cannot spread through heterosexual sex.under the mistaken belief/impression etc: · Pauline was under the mistaken impression that I didn't like her.
► false based on wrong ideas or incorrect information: · He gave false and misleading statements to the court.· My mother avoided visiting Bali on the quite false assumption that the place is full of tourists.give a false impression/belief: · The title gives a false impression of what the book is actually about.
► erroneous formal based on incorrect or incomplete information: · There were erroneous reports that the company had issued false statements. erroneous assumption/view/belief etc: · Ricci's book tries to correct this erroneous view of ancient China.
► misplaced: misplaced trust/loyalty/admiration/concern etc trust, loyalty etc that is wrong because there is no good reason for feeling it: · Richards said, with misplaced confidence, that the ship was 'unsinkable'.· I suppose her chief fault was misplaced trust, rather than any real crime.(do something out of) a sense of misplaced loyalty/admiration etc: · Despite her doubts, she supported the new legislation out of a misplaced sense of loyalty to the leadership.
► misguided done with good intentions but based on information or an idea that is wrong: · These decision now seem misguided, if not downright wrong.misguided efforts/attempt/action etc: · It was another of his misguided attempts to save money.(do something in the) misguided belief/hope: · The taxes were introduced in the misguided belief that they would reduce foreign competition.
► wrongheaded wrong and a little stupid, because of being based on a lack of understanding: · The young man's speech was full of wrongheaded ideas about "the evils of capitalism".· wrongheaded economic policies
WORD FAMILYnounerroradjectiveerroneous
erroneous ideas or information are wrong and based on facts that are not correct SYN incorrect: His economic predictions are based on some erroneous assumptions.—erroneously adverb