from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Lacking brightness, luster, or vitality; dull. synonym: dull.

from The Century Dictionary.

  • Wanting luster or brightness; dull; languid; said of the eyes.
  • noun A want of luster, or that which lacks brightness.

from the GNU version of the Collaborative International Dictionary of English.

  • noun A lack of luster.
  • adjective Wanting luster or brightness.
  • adjective Lacking spirit, liveliness, or enthusiasm; dull.
  • adjective Mediocre.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Lacking brilliance or intelligence
  • adjective Having no shine or lustre; dull
  • adjective Not exceptional; not worthy of special merit, attention, or interest; having no vitality

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective lacking luster or shine
  • adjective lacking brilliance or vitality


from Wiktionary, Creative Commons Attribution/Share-Alike License

From lack + luster


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  • If it lacks luster, then it must be...

    January 6, 2007

  • not shiny not bright...dull eeeh boring?

    March 6, 2008

  • Other funds focus on stocks that have been a bit lackluster or beaten up lately but are expected to rebound..- "Women & Money"

    October 1, 2010