WordNet

the lack of knowledge or education
fail to attend to; "he neglects his children"
the state of something that has been unused and neglected; "the house was in a terrible state of neglect" (同)disuse
give little or no attention to; "Disregard the errors" (同)ignore, disregard
leave undone or leave out; "How could I miss that typo?"; "The workers on the conveyor belt miss one out of ten" (同)pretermit, omit, drop, miss, leave out, overlook, overleap
unaware because of a lack of relevant information or knowledge; "he was completely ignorant of the circumstances"; "an unknowledgeable assistant"; "his rudeness was unwitting" (同)unknowledgeable, unknowing, unwitting
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" (同)illiterate
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" (同)nescient, unlearned, unlettered
fail to notice
refuse to acknowledge; "She cut him dead at the meeting" (同)disregard, snub, cut
be ignorant of or in the dark about
willful lack of care and attention (同)neglect
lack of attention and due care (同)neglect

PrepTutorEJDIC

『無学』,『無知』,無教育;(…を)知らないこと《+『of』+『名』》
…‘を'『無視する』,かまわない,ほっておく / (特に不注意で)…‘を'怠る』,忘れる(disregard) / (…の)『無視』,怠慢,(…を)ほったらかしにすること《+『of』+『名』》 / 無視(放置)されていること(状態)
(人が)『知識がない』,無知な,教育を受けていない / 《補語にのみ用いて》『知らない』,気づかない(unaware) / 《話》(行為などが)無知から起こる,非常識な
…‘を'『無視する』,顧みない
…‘を'『無視する』,軽見する,なおざりにする / (…に対する)『無関心』,無視《+『of』(『for』)+『名』》

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/05/16 04:40:59」(JST)

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[Wiki en表示]

Ignorance is a state of being uninformed (lack of knowledge).^[1] The word ignorant is an adjective describing a person in the state of being unaware and is often used to describe individuals who deliberately ignore or disregard important information or facts. Ignoramus is commonly used in the UK, Ireland, and the US as a term for someone who is willfully ignorant. Ignorance is distinguished from stupidity, although both can lead to "unwise" acts.

Writer Thomas Pynchon articulated about the scope and structure of one's ignorance: "Ignorance is not just a blank space on a person's mental map. It has contours and coherence, and for all I know rules of operation as well. So as a corollary to [the advice of] writing about what we know, maybe we should add getting familiar with our ignorance, and the possibilities therein for writing a good story."^[2]

The legal principle that ignorantia juris non excusat, literally "ignorance of the law is no excuse", stands for the proposition that the law applies also to those who are unaware of it.

Consequences

Individuals with superficial knowledge of a topic or subject may be worse off than people who know absolutely nothing. As Charles Darwin observed, "ignorance more frequently begets confidence than does knowledge."^[3]

Ignorance can stifle learning, especially if the ignorant person believes that he or she is not ignorant. A person who falsely believes he or she is knowledgeable will not seek out clarification of his or her beliefs, but rather rely on his or her ignorant position. He or she may also reject valid but contrary information, neither realizing its importance nor understanding it. This concept is elucidated in Justin Kruger's and David Dunning's work, "Unskilled and Unaware of It: How Difficulties in Recognizing One's Own Incompetence Lead to Inflated Self-Assessments," otherwise known as the Dunning–Kruger effect.

References

^ Wordnet. "Ignorance". Retrieved 9 March 2011.
^ Thomas Pynchon Slow Learner, Introduction, pp. 15-16
^ Charles Darwin (1871). "The Descent of Man" (w). pp. Introduction, page 4. Retrieved 2008-07-18.
On related note, greater knowledge can, if improperly taken account of, work against you. See: Hall, C. C.; Ariss, L.; Todorov, A (2007). "The illusion of knowledge: When more information reduces accuracy and increases conﬁdence" (PDF). Organizational Behavior and Human Decision Processes 103: 277–290. doi:10.1016/j.obhdp.2007.01.003. Retrieved 21 January 2014.

External links

Ignorance at PhilPapers
The SGFC Director of Ignorance

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