Spurious

Part of speech: adjective (a.)

1. Not proceeding from the true source, or from the source pretended; not genuine; false; adulterate.

2. Not legitimate; bastard; as, spurious issue. "Her spurious firstborn." Milton. Spurious primary, or Spurious quill (Zoöl.), the first, or outer, primary quill when rudimentary or much reduced in size, as in certain singing birds. -- Spurious wing (Zoöl.), the bastard wing, or alula.

Synonyms: Counterfeit; false; adulterate; supposititious; fictitious; bastard. Spu"ri*ous*ly, adv. Spu"ri*ous*ness, n.