Dictionary
lack•lus•ter
Pronunciation: (lak'lus"tur), [key]—
adj.
1. lacking brilliance or radiance; dull:
lackluster eyes.
2. lacking liveliness, vitality, spirit, or enthusiasm:
a lackluster performance.
—
n.
a lack of brilliance or vitality.
Also, esp. Brit.,lack'lus"tre.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.