Definition of "lackluster" []

• Lacking brightness, luster, or vitality; dull. See Synonyms at dull. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In arguably the most exciting crit nationals in years, first-year pro Daniel Holloway (Bissell) turned around what he called a lackluster season to finish fourth and secure the stars-and-stripes jersey ahead of Ken Hanson (Team Type 1)."
• "Martin O'Malley, criticizing the incumbent for what he called a lackluster legislative session Tuesday."
• "Senate race in Massachusetts on what they described as a lackluster campaign."