fallacious
adjective/fəˈleɪʃəs/
/fəˈleɪʃəs/
(formal)- wrong; based on a false idea
- a fallacious argument
Oxford Collocations DictionaryFallacious is used with these nouns:- argument
Word Originearly 16th cent.: from Old French fallacieux, from Latin fallaciosus, from fallacia, from fallax, fallac- ‘deceiving’, from fallere ‘deceive’.Definitions on the go
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fallacious