spurious

Adjective

  1. ostensibly valid, but not actually valid; “a spurious argument”
  2. plausible but false; “a specious claim”; “spurious inferences”
  3. born out of wedlock; “the dominions of both rulers passed away to their spurious or doubtful offspring”- E.A.Freeman
  4. false or fake; not what it appears to be; “a spurious work of art”

spurious - LookUp

adjective

  1. not being what it purports to be; false or fake separating authentic and spurious claims

(of a line of reasoning) apparently but not actually valid this spurious reasoning results in nonsense

Origin

late 16th century (in the sense born out of wedlock ): from Latin spurius false + -ous

Thesaurus

Adjective

  1. it was possible to arrange retirements on spurious medical grounds

Similar Words: bogus fake not genuine specious false factitious counterfeit fraudulent trumped-up sham mock feigned pretended contrived fabricated manufactured fictitious make-believe invalid fallacious meretricious artificial imitation simulated ersatz phoney pseudo pretend cod adulterine

Opposites: authentic genuine real