halfhearted
half·hear·ted
adjective
1.
feeling or showing little interest or enthusiasm
- “a halfhearted effort”
- “gave only lukewarm support to the candidate”
Origin
From half + hearted.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.