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[ig-ner-uh nt] /ˈɪg nər ənt/
lacking in knowledge or training; unlearned:
an ignorant man.
lacking knowledge or information as to a particular subject or fact:
ignorant of quantum physics.
uninformed; unaware.
due to or showing lack of knowledge or training:
an ignorant statement.
Origin of ignorant
1325-75; Middle English ignora(u)nt < Latin ignōrant- (stem of ignōrāns), present participle of ignōrāre to ignore; see -ant
Related forms
ignorantly, adverb
ignorantness, noun
nonignorant, adjective
nonignorantly, adverb
quasi-ignorant, adjective
quasi-ignorantly, adverb
self-ignorant, adjective
superignorant, adjective
superignorantly, adverb
unignorant, adjective
unignorantly, adverb
Can be confused
ignorant, stupid.
1. uninstructed, untutored, untaught. Ignorant, illiterate, unlettered, uneducated mean lacking in knowledge or in training. Ignorant may mean knowing little or nothing, or it may mean uninformed about a particular subject: An ignorant person can be dangerous. I confess I'm ignorant of mathematics. Illiterate originally meant lacking a knowledge of literature or similar learning, but is most often applied now to one unable to read or write: necessary training for illiterate soldiers. Unlettered emphasizes the idea of being without knowledge of literature: unlettered though highly trained in science. Uneducated refers especially to lack of schooling or to lack of access to a body of knowledge equivalent to that learned in schools: uneducated but highly intelligent. 2. unenlightened.
1. literate. 2. learned. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for self-ignorant


lacking in knowledge or education; unenlightened
(postpositive) often foll by of. lacking in awareness or knowledge (of): ignorant of the law
resulting from or showing lack of knowledge or awareness: an ignorant remark
Derived Forms
ignorantly, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for self-ignorant



late 14c., from Old French ignorant (14c.), from Latin ignorantia, from ignorantem (nominative ignorans), present participle of ignorare "not to know, to be unacquainted; mistake, misunderstand; take no notice of, pay no attention to," from assimilated form of in- "not, opposite of" (see in- (1)) + Old Latin gnarus "aware, acquainted with" (cf. Classical Latin noscere "to know," notus "known"), from Proto-Latin suffixed form *gno-ro-, related to gnoscere "to know" (see know).

Form influenced by Latin ignotus "unknown." Cf. also uncouth. Colloquial sense of "ill-mannered" first attested 1886. As a noun meaning "ignorant person" from mid-15c.

Online Etymology Dictionary, © 2010 Douglas Harper
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