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Alternative forms[edit]


From lack +‎ luster.


  • IPA(key): /ˈlæklʌstə(ɹ)/
  • (file)


lackluster (comparative more lackluster, superlative most lackluster) (American spelling)

  1. Lacking brilliance or intelligence.
  2. Having no shine or lustre; dull.
  3. (figurative) Not exceptional; not worthy of special merit, attention, or interest; having no vitality.
    Synonyms: see Thesaurus:boring
    The actor gave a lackluster performance in his latest film.
    • 2016 December 30, Jordan Hoffman, “Gold review – the priciest ore is a bore in Matthew McConaughey misfire”, in The Guardian[2]:
      An allegedly true story emerges as a lackluster riff on American Hustle and The Wolf of Wall Street with a scrappy turn from an overly disguised lead star[.]
    • 2019 May 19, Alex McLevy, “The final Game Of Thrones brings a pensive but simple meditation about stories (newbies)”, in The A.V. Club[3]:
      It’s fascinating to see a show wrap up in a manner wherein many of the flaws so clearly occur offscreen rather than on; the plague of season eight hasn’t been lackluster episodes, for the most part (though “The Last Of The Starks” was a definite low point).
    • 2020 June 29, Patrick Wintour, “UK criticised for 'lacklustre' response to Israel West Bank plans”, in The Guardian[4]:
      Pressure on the UK government to commit to concrete measures and not just “lacklustre” verbal condemnation if Israel goes ahead with annexation of parts of the West Bank has been stepped up by a coalition of 14 British charities and human rights groups.
    • 2021 August 20, Martin Farrer, “Friday briefing: ‘Lacklustre’ Raab under pressure to quit”, in The Guardian[5]:
      Tory MPs said Raab had been “lacklustre”, with one saying his position was “untenable”.



lackluster (countable and uncountable, plural lacklusters) (American spelling)

  1. (uncountable) Lack of brightness or points of interest.
  2. (countable) A person or thing of no particular brilliance or intelligence.