Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Free of bias and self-interest; impartial: "disinterested scientific opinion on fluorides in the water supply” ( Ellen R. Shell).
- adj. Not interested; indifferent: "supremely disinterested in all efforts to find a peaceful solution” ( C.L. Sulzberger).
- adj. Having lost interest.
Century Dictionary and Cyclopedia
- Free from self-interest; unbiased by personal interest or private advantage; acting from unselfish motives.
- Not influenced or dictated by private advantage: as, a disinterested decision.
- Synonyms Unbiased, impartial, unbought, incorruptible, unselfish, dispassionate, magnanimous. Disinterested and uninterested are sometimes confounded in speech, though rarely in writing. A disinterested person takes part in or concerns himself about the affairs of others without regard to sell-interest, or to any personal benefit to be gained by his action; an uninterested one takes no interest in or is indifferent to the matter under consideration: as, a disinterested witness; an uninterested spectator.
GNU Webster's 1913
- adj. Not influenced by regard to personal interest or advantage; free from selfish motive; having no relation of interest or feeling; not biased or prejudiced.
WordNet 3.0
- adj. unaffected by self-interest
Etymologies
- From dis- + interested. (Wiktionary)
Examples
“He had never till now called upon me to make the shadow of a return for all his disinterested love -- _disinterested_, ah, was it so?”
Blackwood's Edinburgh Magazine — Volume 53, No. 327, January, 1843
“The first of these defines aesthetic appreciation as _disinterested interest, _ gratuitously identifying self-interest with the practical pursuit of advantages we have not yet got; and overlooking the fact that such appreciation implies enjoyment and is so far the very reverse of disinterested.”
“By the term disinterested I mean detached from ulterior objects.”
“Boyd had looked away, his expression disinterested.”
“Moreover, Mr Webb's point about what he calls disinterested management -- that is to say, the management of banks by officers whose remuneration bears no relation to the profit made on each piece of business transacted -- is one of the matters in which English banking seems likely at least to be modified.”
“-- Hence the value we attach, in the exercise of all the affections, to what we call disinterested conduct, -- to him who does good by stealth, or who performs acts of exalted justice, generosity, or forbearance, under circumstances which exclude every idea of a selfish motive, -- or when self-interest and personal feeling are strongly and obviously opposed to them.”
“Congress has shown itself to be serially disinterested is such matters.”
“What we call disinterested, however, super-cats might call aimless.”
“It may refer, for instance, to the state of being free of prejudice or bias, to being "disinterested" - a word that in turn means almost the opposite of "uninterested.”
“Jacob – disinterested is exactly the word I was groping for but couldn’t find thank you!”
Lists
These user-created lists contain the word ‘disinterested’.
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GRE 2014
abate, abdicate, abase, aberrant, abeyance, abhor, abjure, abortive, abound, abrasive, abreast, abridge and 1577 more...
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GRE Barrons Wordlist
A complete Barron's Wordlist for GRE preparation. Your online flashcard replacement.
abase, abash, abate, abbreviate, abdicate, aberrant, aberration, abet, abeyance, abhor, abject, abjure and 4087 more...
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EN - confusables
Similar words meaning different things
torturous, wreathe, tortuous, wreath, titivate, titillate, stationary, storey, septic, principal, principle, story and 134 more...
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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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The Universal Calculator
Obviates the need for other devices or calculations--it will have a button for everything, and it will solve everything.
qwerty keyboard, shift key, control, home, end, pause, log, sin, space, enter, plus, numb and 241 more...
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Pedantic distinctions
Put the two words next to each other. Pedants of the world pen your pet peeves here!
syntax, grammar, imply, infer, comprise, compose, effect, affect, insure, ensure, uninterested, disinterested and 21 more...
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big book gre
abase, abbess, abbey, abbot, abdicate, abdomen, abdominal, abduction, abed, aberration, abet, abeyance and 6689 more...
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gre2
aberrant, aberration, aboveboard, abrasive, abstemious, acme, admonish, affable, affluent, alacrity, allegory, alleviate and 1824 more...
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magoosh1
aberration, aboveboard, abysmal, ace, affable, aghast, alacrity, ambiguous, ambivalent, ameliorate, amenable, amiable and 205 more...
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Hit Parade GRE
Princeton Review words
abscond, aberrant, alacrity, anomaly, approbation, arduous, assuage, audacious, austere, axiomatic, canonical, capricious and 287 more...
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commonly abused words
Words whose contemporary misuse places them in danger of changing to the detriment of the language. Words and languages change, like it or not. But some changes are good and some are bad. The judic...
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five syllables
ontogenesis, phylogenesis, concatenation, androgenesis, extra textual, inexorably, spagyrically, apophenia, iatrochemist, monocotyloid, morphological, parthenogenic and 941 more...
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Out of Book Words
commiserate, equanimity, dulcet, cursory, diffident, profligate, egregious, precocious, dissemble, aggregate, efficacy, ingenuous and 100 more...
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GRE
abate, abdicate, aberrant, abhor, abjure, abrasive, abridge, abstain, acme, activism, adhere, admonish and 195 more...
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spazgirl's words
dilettante, elegy, derelict, evince, solicitous, shibboleth, exculpate, karma, animadversion, arrogate, effrontery, grouse and 114 more...
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Phantonyms
"A word that means the opposite of another is an antonym; a word that looks as if it means one thing but means quite another could be called a phantonym, and warrants wariness."
--Jack...noisome, fulsome, disinterested, fortuitous, enervate, penultimate, presently, restive, simplistic, enormity
Tweets
Looking for tweets for disinterested.

atapizdun it's not incorrect to use it in the sense of uninterested. It's just not a preferred meaning nowadays...
check here for explanation:
http://www.merriam-webster.com/dictionary/disinterested Nov 7, 2011
oroboros Incorrectly used as uninterested. Mar 29, 2008