Definition of senioritis in English:

senioritis

Syllabification: sen·ior·i·tis
Pronunciation: /ˌsēnyəˈrītis
 
/

noun

humorous
A supposed affliction of students in their final year of high school or college, characterized by a decline in motivation or performance: I try not to let my grades suffer from my senioritis
More example sentences
  • High schools cope with senioritis.
  • It's back to the school grind, back to fighting off a severe case of senioritis for six more weeks.
  • Known for his tough, high-energy style, he appears to have a case of senioritis and has been demoted to part-time status.

Origin

early 20th century: from senior + -itis.

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