Adjective

(-)

defective and impossible to materially correct or set aright.

''The construction flaw is incorrigible ; any attempt to amend it would cause a complete collapse.

incurably depraved; not reformable.

''His dark soul was too incorrigible to repent, even at his execution.

impervious to correction by punishment or pain.

''The imp is incorrigible : his bottom is still red from his last spanking when he plans the next prank.

unmanageable.

* {{quote-news

, year=2006 , date=December 7 , author=Michael White , title=Breaking up is hard to do, even at the Treasury , work=the Guardian citation , page= , passage=Gordon Brown may have his grumpy, Granita moments, but as a strategist he is an incorrigible optimist.}}

determined, unalterable, hence impossible to improve upon.

''The laws of nature and mathematics are incorrigible .

(archaic) incurable.

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.