Adjective

(en adjective)

Hard-working, diligent or regular (in attendance or work); industrious.

* 1831 , , The Surgeon's Daughter , ch. 2:

He was officious in the right time and place, quiet as a lamb when his patron seemed inclined to study or to muse, active and assiduous to assist or divert him whenever it seemed to be wished.

* 1880 , , Washington Square , ch. 33:

He died after three weeks' illness, during which Mrs. Penniman, as well as his daughter, had been assiduous at his bedside.

* 1917 , , "Bill the Bloodhound" in The Man With Two Left Feet and Other Stories :

A good deal of assiduous attention had enabled Henry to win this place in her affections.

* 2009 , Will Pavia , " Allen Klein, accountant turned manager of the Beatles, dies at 77," The Times (UK), 6 July:

Klein rose to prominence in the 1960s by assiduous application of accounting methods to the music industry.

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.