Definitions
Wiktionary
- adj. Bewildered; unsure how to respond or act.
- adj. proscribed, US, informal Unfazed, unaffected, or unimpressed.
- v. Simple past tense and past participle of nonplus.
WordNet 3.0
- adj. filled with bewilderment
Etymologies
- From Latin non plus ("no more, no further"). (Wiktionary)
Examples
“Nevertheless, to be perfectly accurate, I was using the word nonplussed obtusely if not downright inccorrectly.”
“Also, cycling fans got to witness another milestone today, when BSNYC commentator Eben Oliver Weiss typed the word "nonplussed" for the one millionth time during his daily blog.”
“At least your expression would not have been "nonplussed" as it appears all Portlanders, Portlandonians, Portlandites?”
“We already misuse "nonplussed", "penultimate" and the Heisenberg Uncertainty Principle - it'd be a pity to waste such a great word like "narcissism" on things so utterly pedestrian.”
“I think a more important discussion would be on the word "nonplussed" which sounds like it should mean "meh" but actually means "utterly perplexed.”
“I'm sure that if the 'nonplussed' knew who was taking their picture, they would put on their puppy dog love eyes and show their teeth stay anonymous”
“Yes, the "nonplussed" in the technically incorrect yet increasingly common sense of the word eyes of society have undoubtedly sculpted me into whatever it is I am today.”
“I was nonplussed by the word "nonplussed", 'til I looked it up and realized you were using it in the sense of wiktionary's second definition.”
“However, it doesn't take an Einstein to figure out that crappy streets are still crappy streets regardless of how much electrical assistance you have, and even someone who can't spell "nonplussed" surely realizes that getting hit by an SUV will suck just as badly on a 2.0 bike as it does on the current 1.0 iterations.”
“Instead of trying to deal with spelling "nonplussed", consider "subtracted" as an alternative?”
Lists
These user-created lists contain the word ‘nonplussed’.
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GRE Barron's 800
abate, abdicate, aberrant, abeyance, abject, abjure, abscission, abscond, abstemious, abstinence, abysmal, accretion and 787 more...
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SAT Words
But only the ones that I don't already know.
abase, abash, abominate, abstruse, acclivity, accolade, accost, adroit, adulate, adulterate, adumbrate, affray and 241 more...
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select words
luminous, radiant, malicious, zeal, ojalá, voluptuary, rubbish, purlicue, consarnit, upstart, precis, robinsonade and 66 more...
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Filter 1
Hard words level 1
besotted, altricial, consecrate, consternate, desuetude, detractor, dissolute, divisive, emaciated, enamored, ensconce, garishly and 76 more...
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Moby Dick
Words of interest from the book Moby Dick.
arrant, obstreperously, coffer-dam, farrago, rejoinder, counterpane, hamper, commend, grego, dreadnought, psalmody, expostulation and 85 more...
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jan_21
magoosh listens
infuriating, galvanize, sporadic, imperciptible, shirk, protean, versatile, auspicious, clairvoyance, nary, predilection, inkling and 63 more...
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Wicked Cool Words
These words have been posted on my vocabulary tumblr, wickedcoolwords.tumblr.com!
miasma, libation, laconic, denigrating, deontic, accinge, liquescent, quagmire, exiguous, dirigible, lambasted, lambaste and 89 more...
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♥
ambrosia, inamorata, gossamer, lily-white, hummingbird, roucoulement, poppy, daisy, calypso, lunula, lamb, dove and 1526 more...
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SAT Words
But only the ones that I don't already know.
abase, abash, abominate, abstruse, acclivity, accolade, accost, adroit, adulate, adulterate, adumbrate, affray and 241 more...
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Vocabulary Words 2.
cow tow, evident, harassed, egalitarians, anomolous, tenuous, fondly, foment, construe, ingratiate, parlance, spectacular and 96 more...
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Infinite Jest
David Foster Wallace's gargantuan novel.
debauch, asphyxiate, benighted, imprimatur, nonplussed, kismet, comme-il-faut, prolix, dipsomaniacal, nadir
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My preparation
for GRE ofcourse
exonerate, incipient, disparate, morbid, engross, ebullient, predilection, propensity, allure, qualms, chastise, perpetuate and 111 more...
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Words I Know
List of most of the words I've learned
garner, abase, abate, abdicate, abduct, aberration, abet, abhor, abide, abject, abjure, abnegation and 1046 more...
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Words I Want To Master
Words I know... but can never seem to remember while speaking or writing!
unfettered, nebulous, elude, vapid, precipitous, abscond, venerate, voracious, replete, laconic, denigrating, unctuous and 23 more...
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newGRE
mostly from magoosh
imbue, verge on, nonchalant, deliberate, timorous, futile, provisional, dissect, checked, tinged, alluring, visionary and 1046 more...
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List Erine
cool mint antiseptic
shalom, cattywampus, bourgeoisie, aerophile, traverse, grotto, epicurean, ex cathedra, nautilus, epitaph, lathe, continuum and 753 more...
Tweets
Looking for tweets for nonplussed.

rolig There should be a usage warning with Wiktionary's 2nd definition: The use of "nonplussed" in the sense of "unfazed" may result in the speaker being mercilessly mocked by those who are better educated. Sep 3, 2011
bilby Accept it, wayne. Feel the universal spirit flowing through you. Sep 2, 2011
waynef So, are we just accepting that "nonplussed" has 2 definitions which seem to contradict each other?
Sep 2, 2011
marco_nj Definition #2 "(adj): vs. unperplexed) -- (full of difficulty or confusion or bewilderment) is a bit nonplussing in its double negativity. Mar 29, 2009
iangilman As seen in a Cracked's 9 Words That Don't Mean What You Think. Nov 26, 2007
addendumb Origin: 1575–85; (n.) < L n�?n plūs lit., not more, no further, i.e., a state in which nothing more can be done Nov 5, 2007