DictionaryspuriousFalse or unfounded
adjective

spurious

SPYUR-ee-uhs/ˈspjʊriəs/

Not genuine or valid.

The spurious gold ingot reveals a gray metal core beneath its peeling coating.

A counterfeit gold ingot with a chipped corner and peeling gold-colored coating exposing a dull gray base-metal core.
Etymology

Latin spurius meant illegitimate or false. English moved from describing birth outside marriage to irregular origin, then to things that are not genuine or do not come from their claimed source.

In context

The Rewired Soul67:32
it is spurious misinformation that they're presenting but it is superficially extremely compelling and sounds very sciencey
Decoding Joe Rogan and Other Gurus with Matt Browne

More examples

  • An expert identifies the signature on the letter as spurious.
  • She rejects the spurious excuse for canceling the meeting.
  • The study finds a spurious link between unrelated events.

Forms

spurious

spuriously adverb — In a false or unfounded way.

spuriousness noun — The quality of being false or unfounded.

Similar words

bogus
More informal; describes something fake or not valid.
unfounded
Emphasizes a lack of evidence rather than false authenticity.
counterfeit
Usually describes an imitation deliberately made to pass as genuine.