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lackluster

[lak-luhs-ter] /ˈlækˌlʌs tər/
adjective
1.
lacking brilliance or radiance; dull:
lackluster eyes.
2.
lacking liveliness, vitality, spirit, or enthusiasm:
a lackluster performance.
noun
3.
a lack of brilliance or vitality.
Origin of lackluster
1590-1600
1590-1600; lack + luster1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for lackluster

lacklustre

/ˈlækˌlʌstə/
adjective
1.
lacking force, brilliance, or vitality
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 lackluster
adj.

also lack-luster, c.1600, first attested in "As You Like It," from lack + luster. Combinations with lack- were frequent in 16c., e.g. lackland (1590s), of a landless man; lack-Latin (1530s), of an ignorant priest.

Online Etymology Dictionary, © 2010 Douglas Harper
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16
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