• WordNet 3.6
    • adj ignorant uneducated in the fundamentals of a given art or branch of learning; lacking knowledge of a specific field "she is ignorant of quantum mechanics","he is musically illiterate"
    • adj ignorant uneducated in general; lacking knowledge or sophistication "an ignorant man","nescient of contemporary literature","an unlearned group incapable of understanding complex issues","exhibiting contempt for his unlettered companions"
    • adj ignorant unaware because of a lack of relevant information or knowledge "he was completely ignorant of the circumstances","an unknowledgeable assistant","his rudeness was unwitting"
    • ***

Additional illustrations & photos:

A kitten with its eyes closed, ignoring the two mice laughing behind it A kitten with its eyes closed, ignoring the two mice laughing behind it

Webster's Revised Unabridged Dictionary
  • Interesting fact: It is not possible to tickle yourself. The cerebellum, a part of the brain, warns the rest of the brain that you are about to tickle yourself. Since your brain knows this, it ignores the resulting sensation
    • n Ignorant A person untaught or uninformed; one unlettered or unskilled; an ignoramous. "Did I for this take pains to teach
      Our zealous ignorants to preach?"
    • Ignorant Destitute of knowledge; uninstructed or uninformed; untaught; unenlightened. "He that doth not know those things which are of use for him to know, is but an ignorant man, whatever he may know besides."
    • Ignorant Resulting from ignorance; foolish; silly. "His shipping,
      Poor ignorant baubles! -- on our terrible seas,
      Like eggshells moved."
      "In such business
      Action is eloquence, and the eyes of the ignorant More learned than the ears."
      "In the first ages of Christianity, not only the learned and the wise, but the ignorant and illiterate , embraced torments and death."
    • Ignorant Unacquainted with; unconscious or unaware; -- used with of. "Ignorant of guilt, I fear not shame."
    • Ignorant Unknown; undiscovered. "Ignorant concealment.""Alas, what ignorant sin have I committed?"
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: In Ohio, if you ignore an orator on Decoration day to such an extent as to publicly play croquet or pitch horseshoes within one mile of the speaker's stand, you can be fined $25.00.
    • ignorant Destitute of knowledge in general, or concerning some particular matter; uninstructed or uninformed; untaught; unenlightened.
    • ignorant Keeping one in ignorance.
    • ignorant Unconscious; unaware.
    • ignorant Done unconsciously or innocently; unknown to one's self as being of the kind mentioned.
    • ignorant Showing want of knowledge; arising from or caused by ignorance: as, an ignorant proceeding; ignorant remarks.
    • ignorant Synonyms Ignorant, Illiterate, Unlettered, Unlearned, uneducated. Ignorant is the most general of these words (as, he is an ignorant fellow), except where it is limited to some subject or point (as, ignorant of the ways of the world). Illiterate means not having read or studied, or, specifically, not able to read. The illiterate are presumably ignorant outside of their own work, but not necessarily so; the ignorant are necessarily illiterate. In modern times it is as reprehensible to be illiterate as to be ignorant. Unlettered is used sometimes for illiterate and sometimes for unlearned, with corresponding measures of blame. Unlearned —that is, not learned—is, like ignorant, either general or special: as, to be unlearned in theology; as learning is the privilege of few, it is not especially blameworthy to be even generally unlearned.
    • n ignorant A person who is untaught or uninformed; one who is unlettered or unskilled; an ignoramus.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: In the England it is illegal to sell most goods on a sunday, (this law is mostly ignored), it is however legal to sell a carrot. It is also legal to sell it at any price and to give free gifts with it, such as anything else one might want to buy on a sunday.
    • adj Ignorant ig′nō-rant without knowledge: uninstructed: unacquainted with: resulting from want of knowledge: :
    • adj Ignorant ig′nō-rant (Shak.) unconscious
    • adj Ignorant ig′nō-rant (Shak.) undiscovered
    • ***


  • Jeremy Bentham
    Jeremy Bentham
    “Lawyers are the only persons in whom ignorance of the law is not punished.”
  • Daniel J. Boorstin
    “The greatest obstacle to discovery is not ignorance -- it is the illusion of knowledge.”
  • Plato
    “Opinion is the medium between knowledge and ignorance.”
  • Ogden Nash
    “Parents were invented to make children happy by giving them something to ignore.”
  • Joseph Addison
    “Prejudice and self-sufficiency naturally proceed from inexperience of the world, and ignorance of mankind.”
  • Guy Debord
    Guy Debord
    “Quotations are useful in periods of ignorance or obscurantist beliefs.”


Webster's Revised Unabridged Dictionary
F., fr. L. ignorans, -antis, p. pr. of ignorare, to be ignorant. See Ignore
Chambers's Twentieth Century Dictionary
Fr.,—L. ignorans, -antis, pr.p. of ignorāre. See Ignore.


In literature:

Be strong, ignore the whole affair, leave it in the hands of time and forget it.
"The Eugenic Marriage, Vol. 3 (of 4)" by W. Grant Hague
They are gone, I know not whither, and I, fool that I was, was too ignorant to find out in those days more about him.
"The Day of Judgment" by Joseph Hocking
He drank it where he stood, on the hearthrug, ignoring his old place on the sofa by her side.
"The Creators" by May Sinclair
Nature resents being ignored.
"Modern Women and What is Said of Them" by Anonymous
They mean well, but err from ignorance more than from headstrong zeal.
"Popular Education" by Ira Mayhew
A few years ago, the State ignored, when it did not ridicule, the National Congress.
"India, Its Life and Thought" by John P. Jones
I could easily make a mistake from ignorance.
"The Saracen: Land of the Infidel" by Robert Shea
What slow coaches, and what ignorance of human nature and of human events.
"Diary from March 4, 1861, to November 12, 1862" by Adam Gurowski
She still sobbed, ignoring him, ignoring that he held her.
"The Rainbow" by D. H. (David Herbert) Lawrence
I instantly told all to Stanton, who was almost ignorant of Franklin's surreptitiousness.
"Diary from November 12, 1862, to October 18, 1863" by Adam Gurowski
But she ignored the proffer of the softer chair.
"The Prisoner" by Alice Brown
Their ignorance, that is, their assumed ignorance, is wonderful, incredible.
"Ireland as It Is" by Robert John Buckley (AKA R.J.B.)
If circumstance proved unfriendly, she would ignore it and forge ahead.
"Old Crow" by Alice Brown
The world, in its blind ignorance, calls them dead.
"Solaris Farm" by Milan C. Edson
Among the evils that followed in the train of slack and ignorant management not the least was the effect upon the men.
"Blue Goose" by Frank Lewis Nason
It was her ignorance which made her proud, as is apt to be the case.
"The Shepherd of Salisbury Plain and Other Tales" by Hannah More
When he came out Stella saw moodiness in his eyes, but chose to ignore it.
"The "Genius"" by Theodore Dreiser
For the South, however much it may talk of the ignorant masses of Negroes, does not really fear them; it wants to keep them, and keep them ignorant.
"Following the Color Line" by Ray Stannard Baker
It is easy to plead ignorance, but the ignorance is no justification.
"Education: How Old The New" by James J. Walsh
The midnight darkness of ignorance will be dispelled, and freedom will dart its rays upon all.
"The Pocket Bible or Christian the Printer" by Eugène Sue

In poetry:

I long to see the coming day
When wicked wars and strifes shall cease,
And ignorance and crime give way
Before the march of truth and peace.
"The Donation Visit" by David John Scott
I deem'd, by ignorance misled,
That Christ for my transgressions bled,
And that the Fiend no right cou'd claim
O'er those, who merely own'd his name.
"The Unhappy State Of The Ungodly, After Death" by Rees Prichard
Then sweeping down below Virginia's Capes,
From Chesapeake to where Savannah flows,
We find the settlers laughing 'mid their grapes
And ignorant of snows.
"Arms And The Man - The Southern Colonies" by James Barron Hope
The noise of a fool in mock distress,
Crashing and laughing and blindly going,
Of ignorant feet and a swishing dress,
And a Voice profaning the solitudes.
"The Voice" by Rupert Brooke
Knowledge ordained to live! although the fate
Of much that went before it was—to die,
And be called ignorance by such as wait
Till the next drift comes by.
"Honours -- Part II." by Jean Ingelow
What sage can dare impugn
Man's immortality?
Our godhead swims, immune
From death and destiny.
Ignored the bubble in the flow
Of love eighteen short years ago!
"Boo to Buddha" by Aleister Crowley

In news:

'Twas the week before Christmas, and from the White House to the Meadowlands, the press opened its stocking to find the usual lump of coal—Santa/Jesus' payback for ignoring the good news about Iraq and the Jets' offense.
On Second Thought Julie Gibbs director, BPE Global Email Now There are several reasons why executives throw caution to the wind and ignore compliance regulations.
To name a few we have ignorance, greed, and intentional disregard.
The political elite ignore them at their peril.
If the Curaçao Drydock Company ignores the judgment, they will find it hard to do business with US firms or the Miami-based cruise ship lines, Mr Miles says.
Can't Ignore It, Can't Not Ignore It.
Republicans rammed an election-year, $46 billion tax cut for most of America's employers through the House on Thursday, ignoring a White House veto threat in a debate both parties used to show voters how they would bolster the economy.
Jessica Biel is not easy to ignore.
Avs' spending can't ignore labor issues.
Still in the employ of their country, Tyrone Woods and Glenn Doherty fought until the bloody end, while our country stood by and ignored their pleas for help.
Sleep Myths You Can Ignore.
Can Dr Elwell-Sutton be ignorant of the fact that Idries Shah's father was an internationally celebrated scholar whose last appointment was representing Indian culture.
Personally, I do not believe that originality has died, but I recognize that the obituaries cannot exactly be ignored.
PHOENIX — Tired of having Arizona ignored every four years, Gov Jan Brewer said Friday she's coming around to believing it's time to scrap the Electoral College .
However in Blanding, despite the judge's order, the Sheepherder ignore the ruling and consented to drilling.

In science:

In actual experimental settings, surface diffusion cannot be ignored.
Anomalous Roughness, Localization, and Globally Constrained Random Walks
Often one finds that many Monte Carlo practitioners tend to remain ignorant of how these numbers are produced.
Monte Carlo: Basics
For example, it has been observed by many authors that particles following geodesic paths in higher dimensions seem to have variable rest masses according to observers ignorant of the extra dimensions [12,15].
Null Geodesics in Five Dimensional Manifolds
However, the conformal metric has been singled out as the 4D metric appropriate to observers ignorant of y (as opposed to the induced metric, which is appropriate to observers confined to Σy hypersurfaces).
Null Geodesics in Five Dimensional Manifolds
Within perturbative QCD this argument is valid as long as we ignore corrections of ms/E and |pt |/E , and higher configurations of K ∗ such as sqqq and sqg .
Final-state interaction and s-quark helicity conservation in B -> J/psi K*
One should note that problem of existence of limiting correlation functions, normally ignored in physics, is far from being trivial.
Gibbs and Quantum Discrete Spaces
Hence, ignoring the first few terms will not affect the asymptotic behavior of the sum and for larger ℓ’s the approximation (cid:0)ℓ+r r (cid:1) ∼ ℓr /r ! is valid.
Random partitions with non negative rth differences
This is done in and [6, p. 4018], but unfortunately ignored in the bulk of the literature on the sub ject.
From Subfactors to Categories and Topology II. The quantum double of tensor categories and subfactors
For the moment, we ignore this point and analyse the case of equal disorder variances. 2.
2d random Dirac fermions: large N approach
Because eei (+−) = efi (+−) = 0 in B (Λ1 )NB (Λ1 ) the factors of type +− may be ignored in wi .
An algorithm for computing the global basis of an irreducible $U_{q}(sp_{2n})$-module
As the effect of vbb will be proportional to f 2 ≪ 1 , we can ignore it.
Correlation function of random heteropolymer solutions
The trace class conditions are important to write down moment maps, but we will ignore it for this work.
Large N limit of SO(N) gauge theory of fermions and bosons
The last term is constant, and thus for maximization purposes can be ignored.
A Search for Gamma-Ray Bursts and Pulsars, and the Application of Kalman Filters to Gamma-Ray Reconstruction
Although hyperlinks are directional, their direction has been ignored in this calculation of the clustering coefficient.
Random graphs as models of networks
The probability that one of the second neighbours of A is also a first neighbour goes as n−1 in the random graph, regardless of degree distribution, and hence can be ignored in the limit of large n.
Random graphs as models of networks