Definitions
Century Dictionary and Cyclopedia
- Impious: abominable; very shocking to the general sense of justice or religion.
Wiktionary
- adj. Unspeakable, appalling.
Etymologies
- From Latin nefandus, from ne- ("not") + fandus, gerundive of fari ("to speak"). (Wiktionary)
Examples
“It just got better and better as each story added new dots to connect and a vast world of eldritch, foetid, blasphemous, nefandous, sepulchral imagination seemed to be slowly revealing itself.”
“For my part, I consider Witchcraft the most nefandous high treason against the Majesty on High!”
“He had been brought very close to that immane and nefandous”
“He represented the Primitive Christians as the vilest of men, and as if at their Meetings they did commit the most nefandous Villanies that ever were known; and that not only Innocent, but Eminently Pious”
“Suppose a Man to be suspected for Murder, or for committing a Rape, or the like nefandous Wickedness, if he does freely confess the Accusation, that's ground enough to Condemn him.”
Lists
These user-created lists contain the word ‘nefandous’.
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phrontistery - n
from phrontistery.info
nymphology, nympholepsy, nyctophobia, nymphean, nyctograph, nyctanthous, nyctalopia, nychthemeral, nutricial, nutrice, nutrication, nychthemeron and 340 more...
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More Adjectival Arcana
List of adjectives such as everduring that do not frequent common speech and writing. A continuation of my list Adjectival Arcana, which had grown to over 7700 words and had become far too cumbersome.
transpontine, fetichistic, everduring, tachygraphic, tachygraphical, holographic, holographical, spectrobolographic, autographic, chirographal, autographal, ipsographic and 1419 more...
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Logolepsy
"Luciferous Logolepsy is a collection of over 9,000 obscure English words. Though the definition of an 'English' word might seem to be straightforward, it is not. There exist so many adopted, deriv...
Anschauung, Areopagus, Argus, Briarean, Dei gratia, Dei judicium, Deo volente, Duecento, Foehn, Geflugelte Worte, Gegenschein, Hakenkreuz and 9230 more...
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eg's list
lexicolony
nefandous, ineffable, ultracrepidate, haecceity, quiddity, noumenon, hypokeimenon, extemporaneous, theomastix, caducity, niddering, tellurian and 16 more...
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Papageno's Words, Pt. II
cicurate, circumforaneous, codger, comiconomenclaturist, constable, contradistinction, contraindicated, counterpane, coxcomb, decalcomania, decanal, decoction and 307 more...
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Gone, But Not Forgotten...Yet
Ay, ay, the best terms will grow obsolete: damns have had their day. -- Richard Brinsley Sheridan (1751-1816)
Obsolete, rare, and obscure words culled from my Wordie/Wordnik Curio Cabi...rouzie-bouzie, knuckylbonyard, ferrups, defease, malahane, accinge, venundate, pinguidity, preterlapsed, wlatsome, emuscation, atbraid and 427 more...
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persnickety parlance
behoove, ebullient, insouciant, insipient, froth, quandary, quixotic, tendril, maktub, furrow, furl, anastrophe and 1076 more...
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rememberers
prolix, ageusia, animadversion, anodyne, antic, arabesque, beadle, brachymetropia, colophon, desquamation, diaphoresis, diegesis and 3251 more...
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Lurking in Lovecraft
Words I've encountered in the writings of H.P. Lovecraft or in S.T. Joshi's biography - "H.P. Lovecraft: A Life."
aegipan, interdicted, acidulous, eidolon, teratologically, squamous, vigintillion, miasmal, cenotaph, necrophagous, lambent, nefandous and 80 more...
Tweets
Looking for tweets for nefandous.

sionnach See tacenda. Also infandous.
And for God's sake, keep the pudenda off the agenda! Dec 11, 2008
eg obsolete? Dec 11, 2008
reesetee I agree, though. This one's much worse than nemaline.
And yet I've added both of them to my lists. :-D Nov 29, 2007
chained_bear Hey, at least it's not all from the middle of the alphabet! Nov 29, 2007
sionnach Well, just to draw a little of the fire away from the hideous nemaline word, might I say this one is no great shakes either. Though if one is looking for words ending in "dous" (a rare commodity, according to some, though I'm not buying it myself), I guess it's got that going for it. Nov 29, 2007
reesetee Unspeakable. Nov 28, 2007