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erroneous

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erroneous
erroneous AC /ɪˈrəʊniəs $ ɪˈroʊ-/ adjective formal
 Word Family: noun: error; adjective: erroneous
 Date: 1300-1400
 Language: Latin
 Origin: erroneus, from errare; err
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