different between spurious vs fallacy

English

Etymology

Borrowed from Late Latin spurius (“illegitimate, bastardly”), possibly related to sperno or from Etruscan.

Pronunciation

• (Received Pronunciation) IPA^(key): /?spj??.?i.?s/
• (US) IPA^(key): /?spj?.?i.?s/, /?sp?.?i.?s/, /?spj?.?i.?s/
• Rhymes: -???i?s

Adjective

spurious (comparative more spurious, superlative most spurious)

1. False, not authentic, not genuine.

   His argument was spurious and had no validity.

   • 2013, Russell Brand, Russell Brand and the GQ awards: 'It's amazing how absurd it seems' (in The Guardian, 13 September 2013)[1]

     We witness that there is a relationship between government, media and industry that is evident even at this most spurious and superficial level. These three institutions support one another. We know that however cool a media outlet may purport to be, their primary loyalty is to their corporate backers. We know also that you cannot criticise the corporate backers openly without censorship and subsequent manipulation of this information.
2. Extraneous; stray; not relevant or wanted.

   I tried to concentrate on the matter in hand, but spurious thoughts kept intruding.

   Spurious emissions from the wireless mast were causing nearby electrical equipment to go haywire.

3. (archaic) bastardly, illegitimate

Synonyms

• (false): counterfeit, fake, false, bogus
• See also Thesaurus:fake
• See also Thesaurus:illegitimate

Antonyms

• (false): genuine, representative

Derived terms

• spuriosity
• spuriously
• spuriousness

Translations

See also

• specious

English

Etymology

From Middle English [Term?], from Old French fallace, from Latin fallacia (“deception, deceit”), from fallax (“deceptive, deceitful”), from fallere (“to deceive”).

Pronunciation

• (Received Pronunciation) IPA^(key): /?fæl?si/

Noun

fallacy (plural fallacies)

1. Deceptive or false appearance; that which misleads the eye or the mind.

   • Mr Jones expressed great gratitude to the lady for the kind intentions towards him which she had expressed, and indeed testified, by this proposal; but, besides intimating some diffidence of success from the lady’s knowledge of his love to her niece, which had not been her case in regard to Mr Fitzpatrick, he said, he was afraid Miss Western would never agree to an imposition of this kind, as well from her utter detestation of all fallacy as from her avowed duty to her aunt.

   Synonyms: deception, deceitfulness

2. (logic) An argument, or apparent argument, which professes to be decisive of the matter at issue, while in reality it is not. A specious argument.

Derived terms

• fallacious

Related terms

• fail
• fallible
• logical fallacy
• formal fallacy
• informal fallacy
• pathetic fallacy

Translations

See also

• sophism
• Appendix:Glossary of fallacies

Further reading

• fallacy in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• fallacy in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• fallacy at OneLook Dictionary Search