preposterous as an adjective: - 1
preposterous
adjective
1 preposterous
So unreasonable as to invite derision:
— A preposterous attempt to turn back the pages of history.
synonyms: absurd, cockeyed, derisory, idiotic, laughable, ludicrous, nonsensical, ridiculous.
Roget 925:
undue;
unlawful
etc.
(illegal)
964;
unconstitutional;
illicit;
unauthorized,
unwarranted,
disallowed,
unallowed†,
unsanctioned,
unjustified;
unentitled†,
disentitled,
unqualified,
disqualified;
unprivileged,
unchartered.
illegitimate,
bastard,
spurious,
supposititious,
false;
usurped.
tortious [Law].
undeserved,
unmerited,
unearned;
unfulfilled.
forfeited,
disfranchised.
improper;
unmeet,
unfit,
unbefitting,
unseemly;
unbecoming,
misbecoming†;
seemless†;
contra bonos mores [Lat.];
not the thing,
out of the question,
not to be thought of;
preposterous,
pretentious,
would-be.
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Roget 31:
great;
greater
etc.
33;
large,
considerable,
fair,
above par;
big,
huge
etc.
(large in size)
192;
Herculean,
cyclopean;
ample;
abundant;
etc.
(enough)
639
full,
intense,
strong,
sound,
passing,
heavy,
plenary,
deep,
high;
signal,
at its height,
in the zenith.
world-wide,
widespread,
far-famed,
extensive;
wholesale;
many
etc.
102.
goodly,
noble,
precious,
mighty;
sad,
grave,
heavy,
serious;
far gone,
arrant,
downright;
utter,
uttermost;
crass,
gross,
arch,
profound,
intense,
consummate;
rank,
uninitiated,
red-hot,
desperate;
glaring,
flagrant,
stark staring;
thorough-paced,
thoroughgoing;
roaring,
thumping;
extraordinary. ;
important
etc.
642;
unsurpassed
etc.
(supreme)
33;
complete
etc.
52.
august,
grand,
dignified,
sublime,
majestic
etc.
(repute)
873.
vast,
immense,
enormous,
extreme;
inordinate,
excessive,
extravagant,
exorbitant,
outrageous,
preposterous,
unconscionable,
swinging,
monstrous,
overgrown;
towering,
stupendous,
prodigious,
astonishing,
incredible;
marvelous
etc.
870.
unlimited
etc.
(infinite)
105;
unapproachable,
unutterable,
indescribable,
ineffable,
unspeakable,
inexpressible,
beyond expression,
fabulous.
undiminished,
unabated,
unreduced†,
unrestricted.
absolute,
positive,
stark,
decided,
unequivocal,
essential,
perfect,
finished.
remarkable,
of mark,
marked,
pointed,
veriest;
noteworthy;
renowned.
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Roget 497:
absurd,
nonsensical,
preposterous,
egregious,
senseless,
inconsistent,
ridiculous,
extravagant,
quibbling;
self-annulling,
self-contradictory;
macaronic†,
punning.
foolish
etc.
499;
sophistical
etc.
477;
unmeaning
etc.
517;
without rhyme or reason;
fantastic.
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Roget 549:
exaggerated
etc.
v.;
overwrought;
bombastic
etc.
(grandiloquent)
577;
hyperbolical†,
on stilts;
fabulous,
extravagant,
preposterous,
egregious,
outre [Fr.],
highflying†.
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Roget 853:
ridiculous,
ludicrous;
comical;
droll,
funny,
laughable,
pour rire,
grotesque,
farcical,
odd;
whimsical,
whimsical as a dancing bear;
fanciful,
fantastic,
queer,
rum,
quizzical,
quaint,
bizarre;
screaming;
eccentric
etc.
(unconformable)
83;
strange,
outlandish,
out of the way,
baroque,
weird;
awkward
etc.
(ugly)
846.
extravagant,
outre,
monstrous,
preposterous,
bombastic,
inflated,
stilted,
burlesque,
mock heroic.
drollish;
seriocomic,
tragicomic;
gimcrack,
contemptible
etc.
(unimportant)
643;
doggerel;
ironical
etc.
(derisive)
856;
risible.
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Moby thesaurus: Gothic, a bit thick, a bit thin, absurd, asinine, balmy, barmy, baroque, barred, batty, beyond belief, bizarre, brain-born, closed-out, cockamamie, contrary to reason, crazy, cuckoo, cutthroat, dotty, doubtable, doubtful, dream-built, dubious, dubitable, exacting, excessive, excluded, exorbitant, extortionate, extraordinary, extravagant, extreme, fanciful, fancy, fancy-born, fancy-built, fancy-woven, fantasque, fantastic, fatuitous, fatuous, florid, foolish, gouging, grossly overpriced, grotesque, hard of belief, hard to believe, harebrained, high-flown, hopeless, idiotic, imbecilic, immoderate, implausible, impossible, inconceivable, incredible, inflationary, inordinate, insane, irrational, laughable, logically impossible, loony, ludicrous, mad, maggoty, mindless, monstrous, moronic, nonmeritorious, nonsensical, not coming, not deserving belief, not outstanding, not possible, notional, nutty, open to doubt, open to suspicion, out of bounds, out of sight, outlandish, outrageous, outre, overpriced, oxymoronic, paradoxical, passing belief, poppycockish, potty, problematic, prohibited, prohibitive, questionable, ridiculous, risible, rococo, ruled-out, screwy, self-contradictory, senseless, silly, skyrocketing, spiraling, staggering belief, suspect, suspicious, tall, thick, thin, unbelievable, unconscionable, unconvincing, undeserved, undeserving, undue, unearned, unearthly, unentitled, ungodly, unimaginable, unjustified, unmerited, unmeriting, unowed, unowing, unreasonable, unthinkable, unwarranted, unworthy, unworthy of belief, usurious, wacky, weird, whimsical, wild ... show more.
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