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[ih-loo-min] /ɪˈlu mɪn/
verb (used with or without object), illumined, illumining.
Origin of illumine
1300-50; Middle English illuminen < Latin illūmināre to light up, equivalent to il- il-1 + lūmin- (stem of lūmen) light + -ā- thematic vowel + -re infinitive suffix
Related forms
illuminable, adjective
self-illumined, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for illumined
Historical Examples
  • As he stood there, illumined by the rising moon, he seemed colossal.

    Tiverton Tales Alice Brown
  • The next instant the valley was illumined by a transparent glow.

    Slaves of Mercury Nat Schachner
  • A large lamp, placed on the writing-table, illumined this strange vigil.

  • Miss Horton's mind was illumined by her knowledge of herself.

    Mistress Wilding Rafael Sabatini
  • They consist of fancies that have illumined the hard facts of life.

  • His sight is illumined and he sees that the soul can unite only with its mate.

  • His face was in the sideway glare of the footlights which illumined the orchestra.

    An Old Meerschaum David Christie Murray
  • He incorporated this with the results of his own observations, and illumined it with his theories.

    Great Astronomers R. S. Ball
  • You will see Kitty in New York again, and the whys and wherefores will be illumined.

    The Lure of the Mask Harold MacGrath
  • The tunnel was illumined by a dim phosphorescence from the rocks.

    Beyond the Vanishing Point Raymond King Cummings
British Dictionary definitions for illumined


a literary word for illuminate
Derived Forms
illuminable, adjective
Word Origin
C14: from Latin illūmināre to make light; see illuminate
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 illumined



late 14c., "to enlighten spiritually;" mid-15c., "to light up, shine light on," from Old French illuminer, from Latin illuminare (see illumination). Related: illumined.

Online Etymology Dictionary, © 2010 Douglas Harper
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