- a lack of brilliance or vitality.
Also especially British, lack·lus·tre.
Origin of lackluster
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for lack-luster
Your brain is off at a speed that was impossible in your lack-luster days.Journeys to Bagdad
Charles S. Brooks
His shoulders drooped depressingly, and his eyes were lack-luster.
He sauntered about, and examined all the shops with lack-luster eye.Put Yourself in His Place
But it was a lack-luster eye that turned on the entering officer this day.A Soldier's Trial
The eyelids fluttered and lack-luster eyes looked into mine.The Professor's Mystery
Word Origin and History for lack-luster
Online Etymology Dictionary, © 2010 Douglas Harper