Adjective

(-)

(mathematics, computer science) Having both positive and negative varieties.

It wasn't until they tried to subtract 3 from 1 that the elementary school students realized they needed signed numbers.

Having a signature, endorsed.

The signed check could be cashed.

(Of a road, route) Furnished with signs and signposts; signposted.

* 2013: Backpacking Wyoming: From Towering Granite Peaks to Steaming Geyser Basins , Wilderness Press, p. 64 [//books.google.com/books?id=nT9LAQAAQBAJ&pg=PA64]

Turn left on poorly signed Highway 292 and proceed on this winding road for about 12 miles…

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.