Adjective

(en adjective)

Of the essence or essential element of a thing; as, "substantive information".

* 2012 , The Economist, 06 Oct 2012 issue; [http://www.economist.com/node/21564222 The first presidential debate: Back in the centre, back in the game]

In one sense the first debate achieved the worst of all worlds: it managed to be technical, even dull, without being substantive or especially honest.

Having substance; enduring; solid; firm; substantial.

* Hazlitt

Strength and magnitude are qualities which impress the imagination in a powerful and substantive manner.

(legal) Applying to essential legal principles and rules of right; as, "substantive law".

(chemistry) Of a dye that does not need the use of a mordant to be made fast to that which is being dyed.

Depending on itself; independent.

* Francis Bacon

He considered how sufficient and substantive this land was to maintain itself without any aid of the foreigner.

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.