[ spyoor-ee-uhs ]
See synonyms for: spuriousspuriousness on Thesaurus.com

  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.

  1. of illegitimate birth; bastard.

Origin of spurious

1590–1600; <Latin spurius bastard, perhaps <Etruscan; see -ous

Other words for spurious

Opposites for spurious

Other words from spurious

  • 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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for spurious


/ (ˈspjʊərɪəs) /

  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

  1. (of radiation) produced at an undesired frequency by a transmitter, causing interference, etc

  2. rare illegitimate

Origin of spurious

C17: from Latin spurius of illegitimate birth

Derived forms of spurious

  • spuriously, adverb
  • spuriousness, noun

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