lacklustre
lack·lustre
adjective
1.
2.
- “staring with lackluster eyes”
- “lusterless hair”
Origin
From lack + lustre.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.