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enlighten

[en-lahyt-n] /ɛnˈlaɪt n/
verb (used with object)
1.
to give intellectual or spiritual light to; instruct; impart knowledge to:
We hope the results of our research will enlighten our colleagues.
2.
Archaic. to shed light upon.
Origin of enlighten
1350-1400
1350-1400; Middle English enli(g)htenen. See en-1, lighten1
Related forms
enlightenedly, adverb
enlightenedness, noun
enlightener, noun
enlighteningly, adverb
nonenlightened, adjective
nonenlightening, adjective
preenlighten, verb (used with object)
preenlightener, noun
reenlighten, verb (used with object)
unenlightened, adjective
unenlightening, adjective
well-enlightened, adjective
Synonyms
1. illumine, edify, teach, inform.
Antonyms
1. mystify, confuse, perplex, puzzle.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for unenlightened
Contemporary Examples
Historical Examples
  • But the unenlightened in such matters asks how the signatures of men of so many lands and ages got there.

  • And now, I said, let me show in a figure how far our nature is enlightened or unenlightened:—Behold!

    The Republic Plato
  • An unenlightened person who thinks one country better than another.

    The Devil's Dictionary Ambrose Bierce
  • There, he said to himself, sat a stubborn and unenlightened man.

    Gladiator Philip Wylie
  • But why insist upon these matters of detail to unenlightened men?

    A Beleaguered City Mrs. Oliphant
  • But Nelson and the others only looked grave and unenlightened.

    Four Afloat Ralph Henry Barbour
  • I looked at the customary coaly vapour flying aft, but was unenlightened.

    The Bonadventure Edmund Blunden
British Dictionary definitions for unenlightened

unenlightened

/ˌʌnɪnˈlaɪtənd/
adjective
1.
not well-informed, tolerant, or rational: a most backward, unenlightened nation

enlighten

/ɪnˈlaɪtən/
verb (transitive)
1.
to give information or understanding to; instruct; edify
2.
to free from ignorance, prejudice, or superstition
3.
to give spiritual or religious revelation to
4.
(poetic) to shed light on
Derived Forms
enlightener, noun
enlightening, adjective
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 unenlightened
adj.

1660s, "not lit up," from un- (1) "not" + past participle of enlighten. Meaning "not mentally illuminated" is attested from 1650s.

enlighten

v.

late 14c., "to remove the dimness or blindness (usually figurative) from one's eyes or heart;" see en- (1) + lighten. Old English had inlihtan. Related: Enlightened; enlightening.

Online Etymology Dictionary, © 2010 Douglas Harper
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