Counterfeit, simulated, sham. Of things, esp. of metal, money, jewels: Counterfeit, spurious. Of a document: Forged.

Of unknown authorship; not authentic, spurious; uncanonical (see B.); false. Obsolete.

Of writings: Forged, not genuine, spurious.

Devised falsely, feigned. Obsolete.

Of unestablished authenticity, apocryphal.

(un-, prefix1 affix 1.)

Obtained or brought about by subornation. Also: †false, counterfeit (obsolete).

originally of a writing, statement, or story.

Not authoritative; not entitled to respect. Cf. authentic, adj. 3. Obsolete.

Deviously or fraudulently substituted; not genuine; = supposititious, adj. 1. rare.

Put by devious means in the place of another; fraudulently substituted for the genuine thing or person… Of a text, or a passage or word in a text…

Of a passage or writing: Spurious, forged. Of an edition or copy of a book: Issued without authority, ‘pirated’.

Of a writing, etc.: Not really proceeding from its reputed origin, source, or author; not genuine or authentic; forged.

(un-, prefix1 affix 1.)

(un-, prefix1 affix 1.)

Not genuine.

Spurious, inauthentic.

= apocryphal, adj.

(See quot. 1755.)

That has been doctored (in various senses of the verb); esp. that has been falsified, adulterated, or tampered with.