spurious

Something false or inauthentic is spurious. Don't trust spurious ideas and stories. Spurious statements often are lies, just as a spurious coin is a counterfeit coin — a fake.

Anytime you see the word spurious, you're dealing with things that can't be trusted or accepted at face value. A spurious claim is one that's not backed up by the facts. A spurious argument relies on faulty reasoning — and maybe some lies. Politicians often accuse each other of saying things that are spurious and meant to deceive the voters. As long as you're honest, clear, and not trying to trick anyone, nobody can say you're being spurious.

Definitions of spurious
1

adj plausible but false

spurious inferences”
Synonyms:
specious
false
not in accordance with the fact or reality or actuality

adj intended to deceive

“a spurious work of art”
Synonyms:
inauthentic, unauthentic
counterfeit, imitative
not genuine; imitating something superior

adj born out of wedlock

“"the dominions of both rulers passed away to their spurious or doubtful offspring"- E.A.Freeman”
Synonyms:
bastardly, misbegot, misbegotten
illegitimate
of marriages and offspring; not recognized as lawful

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