il·lus·tri·ous

[ih-luhs-tree-uhs]
adjective
1.
highly distinguished; renowned; famous: an illustrious leader.
2.
glorious, as deeds or works: many illustrious achievements.
3.
Obsolete. luminous; bright.

Origin:
1560–70; < Latin illustri(s) bright, clear, famous (equivalent to illustr(āre) to brighten (see il-1, luster1) + -is adj. suffix) + -ous

il·lus·tri·ous·ly, adverb
il·lus·tri·ous·ness, noun
un·il·lus·tri·ous, adjective
un·il·lus·tri·ous·ly, adverb
un·il·lus·tri·ous·ness, noun


1. celebrated, eminent, famed.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To illustrious
00:10
Illustrious is always a great word to know.
So is quincunx. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
Collins
World English Dictionary
illustrious (ɪˈlʌstrɪəs) [Click for IPA pronunciation guide]
 
adj
1.  of great renown; famous and distinguished
2.  glorious or great: illustrious deeds
3.  obsolete shining
 
[C16: from Latin illustris bright, distinguished, famous, from illustrāre to make light; see illustrate]
 
il'lustriously
 
adv
 
il'lustriousness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

illustrious
c.1566, from L. illustris "bright, distinguished, famous," back-formation from illustrare "embellish, distinguish, make famous" (see illustration).
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Illustrious dead, living beauty lure visitors to rural cemeteries.
He is one who raises himself from private consideration and breathes and lives on public and illustrious thoughts.
She married into an illustrious family in the beauty business.
He is one who raises himself from private considerations, and breathes and lives on public and illustrious thoughts.
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