ERRONEOUS definition: containing error; mistaken; incorrect; wrong. See examples of erroneous used in a sentence.

Erroneous basically means "containing errors", and, since most of us are constantly suffering from mistaken notions, the word is often used in front of words such as "assumption" and "idea".

erroneous (ɪˈrəʊnɪəs) adj based on or containing error; mistaken; incorrect [C14: (in the sense: deviating from what is right), from Latin errōneus, from errāre to wander]

ERRONEOUS definition: 1. wrong or false: 2. wrong or false: 3. based on false information and therefore wrong; false: . Learn more.

Definition of erroneous adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

5 days ago · erroneous (comparative more erroneous, superlative most erroneous) Containing an error; inaccurate. quotations

erroneous, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

• 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.

Discover everything about the word "ERRONEOUS" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.

er•ro•ne•ous•ly, adv. er•ro•ne•ous•ness, n. [uncountable] WordReference Random House Unabridged Dictionary of American English © 2025 er•ro•ne•ous (ə rō′ nē əs, e rō′ -), adj. containing error; …