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spurious

[spyoo r-ee-uh s] /ˈspyʊər i əs/
adjective
1.
not genuine, authentic, or true; not from the claimed, pretended, or proper source; counterfeit.
2.
Biology. (of two or more parts, plants, etc.) having a similar appearance but a different structure.
3.
of illegitimate birth; bastard.
Origin
1590-1600
1590-1600; < Latin spurius bastard, perhaps < Etruscan; see -ous
Related forms
spuriously, adverb
spuriousness, noun
nonspurious, adjective
nonspuriously, adverb
nonspuriousness, noun
unspurious, adjective
unspuriously, adverb
unspuriousness, noun
Synonyms
1. false, sham, bogus, mock, feigned, phony; meretricious, deceitful.
Antonyms
1. genuine.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for spuriousness

spurious

/ˈspjʊərɪəs/
adjective
1.
not genuine or real
2.
(of a plant part or organ) having the appearance of another part but differing from it in origin, development, or function; false: a spurious fruit
3.
(of radiation) produced at an undesired frequency by a transmitter, causing interference, etc
4.
(rare) illegitimate
Derived Forms
spuriously, adverb
spuriousness, noun
Word Origin
C17: from Latin spurius of illegitimate birth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for spuriousness

spurious

adj.

1590s, "born out of wedlock," from Latin spurius "illegitimate, false" (cf. Italian spurio, Spanish espurio), from spurius (n.) "illegitimate child," probably from Etruscan spural "public." Sense of "having an irregular origin, not properly constituted" is from c.1600; that of "false, sham" is from 1610s.

Online Etymology Dictionary, © 2010 Douglas Harper
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spuriousness in Medicine

spurious spu·ri·ous (spyur'ē-əs)
adj.
Similar in appearance or symptoms but unrelated in morphology or pathology; false.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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