Adjective

(en adjective)

Too implausible to be credible; beyond belief; unbelievable.

* 1980 September 16, (w), quoted in William A. Schwartz et al., The Nuclear Seduction: Why the Arms Race Doesn’t Matter—And What Does , University of California Press (1990, 1993), ISBN 0-520-06134-9, page 29:

I get lost in what is credible and not credible. This whole thing gets so incredible when you consider wiping out whole nations, it is difficult to establish credibility.

* 2009 , (Diarmaid MacCulloch), A History of Christianity , Penguin 2010, page 796:

He therefore found revealed religion incredible in a literal sense, and, as Bayle had done before him, he radically separated morality from the practice of organized religion.

Amazing; astonishing; awe-inspiring.

He was so wrapped up in watching the incredible special effects that he couldn't keep track of the story.

Marvelous; profoundly affecting; wonderful.

I had such an incredible slice of pizza last night that I simply can't think about anything else.

Adjective

(er)

Untrue, not factual, factually incorrect.

*{{quote-book, year=1551, year_published=1888

, title= A New English Dictionary on Historical Principles: Founded Mainly on the Materials Collected by the Philological Society , section=Part 1, publisher=Clarendon Press, location=Oxford, editor= , volume=1, page=217 , passage=Also the rule of false position, with dyuers examples not onely vulgar, but some appertaynyng to the rule of Algeber.}}

Based on factually incorrect premises: false legislation

Spurious, artificial.

:

*

*:At her invitation he outlined for her the succeeding chapters with terse military accuracy?; and what she liked best and best understood was avoidance of that false modesty which condescends, turning technicality into pabulum.

(lb) Of a state in Boolean logic that indicates a negative result.

Uttering falsehood; dishonest or deceitful.

:

Not faithful or loyal, as to obligations, allegiance, vows, etc.; untrue; treacherous.

:

*(John Milton) (1608-1674)

*:I to myself was false , ere thou to me.

Not well founded; not firm or trustworthy; erroneous.

:

*(Edmund Spenser) (c.1552–1599)

*:whose false foundation waves have swept away

Not essential or permanent, as parts of a structure which are temporary or supplemental.

(lb) Out of tune.