senioritis

/seen-yuh-rahy-tis/US // ˌsin yəˈraɪ tɪs //

老年痴呆症,老年痴呆,高龄炎,老年病

Definitions

n.名词 noun

1
- : Informal: Facetious. a decline in motivation or academic performance that supposedly afflicts some seniors in high school, especially in their last term.