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

Nearby words

  1. senior lecturer,
  2. senior management,
  3. senior master sergeant,
  4. senior moment,
  5. senior service,
  6. seniority,
  7. seniority rule,
  8. seniti,
  9. senlac,
  10. senna

Origin of senioritis

First recorded in 1955–60; senior + -itis Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019