SYNONYMS | WORD ORIGIN adjective not genuine, authentic, or true; not from the claimed, pretended, or proper source; counterfeit. . Biology (of two or more parts, plants, etc.) having a similar appearance but a different structure. of illegitimate birth; bastard. Origin of spurious 1590–1600;
bastard, perhaps <
-ous Related forms spu·ri·ous·ly, adverb spu·ri·ous·ness, noun non·spu·ri·ous, adjective non·spu·ri·ous·ly, adverb non·spu·ri·ous·ness, noun un·spu·ri·ous, adjective un·spu·ri·ous·ly, adverb un·spu·ri·ous·ness, noun
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for non-spuriousness adjective not genuine or real (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 (of radiation) produced at an undesired frequency by a transmitter, causing interference, etc rare illegitimate Derived Forms spuriously, adverb spuriousness, noun Word Origin for spurious
C17: from Latin
spurius of illegitimate birth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for non-spuriousness 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
non-spuriousness in Medicine adj. Similar in appearance or symptoms but unrelated in morphology or pathology; false.
The American Heritage® Stedman's Medical Dictionary
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