Spurious means false, though presented as genuine. A spurious claim, spurious accuracy, spurious reasoning.
Spurious accuracy is a useful phrase and means a figure quoted to more decimal places than the measurement can support. In statistics a spurious correlation is two things moving together for no reason at all.
1adjectivespuriousFalse, though presented as genuine.
“He took the day off on the spurious grounds that his grandmother was ill.”
spurious is a quality.
Latin spurius means illegitimate or of uncertain fatherhood.
Latin
spurius — illegitimate, bastardly
English, today
spurious
Borrowed from Latin spurius (“illegitimate, bastardly”), possibly related to sperno or from ett -.
Etymology from Wiktionary, CC BY-SA