indolence
/ɪnˈdoʊləns/Definitions
1. noun
A lack of energy or enthusiasm, or a tendency to avoid work or activity
“Her indolence had led to a significant backlog of work at the office.”
2. noun
A state of being idle or lethargic, especially due to a lack of motivation or interest
“The professor noted that his students’ indolence was hindering their academic progress.”