English Dictionary

senioritis

IPA（発音記号）

/ˌsin.jɚˈɑit.ɪs/

名詞

カナダ英語 アメリカ英語 不可算名詞

(US, Canada) A tendency of seniors in high school or college to skip class or slack off due to a desire to move on, or because they have already been accepted by a college and their further academic performance is no longer as relevant.

日本語の意味

高校や大学の最終学年の生徒が、進学や卒業を目前に控えた結果、授業をサボったりやる気を失ったりする傾向（後の学力向上が重視されないため）を指す現象

By April, a wave of senioritis had swept the campus, leaving empty classrooms and half-finished projects.

4月になると、卒業間近の生徒たちのやる気低下がキャンパスに広がり、教室は空席だらけで未完成の課題が残された。

意味（1）

(US, Canada) A tendency of seniors in high school or college to skip class or slack off due to a desire to move on, or because they have already been accepted by a college and their further academic performance is no longer as relevant.

I don't know, but senioritis is real, as I discovered in my senior year. Senioritis is a frame of mind particular to high-school seniors.