senioritis

[seen-yuh-rahy-tis]

noun

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

Word History and Origins

Origin of senioritis¹

First recorded in 1955–60; senior ( def. ) + -itis ( def. )

Example Sentences

Many parents worry about “senioritis” causing their teenagers to cut class.

Read more on Los Angeles Times

“They complement each other well, they know each other’s strengths and they know how to find each other on the court,” Chensam said of her co-captains, who are “guarding” against senioritis and complacency, as most of the Yankees’ wins have been blowouts.

Read more on Los Angeles Times

Uncooperative officials can drag their feet, find excuses, hope you lose interest — or, if you’re a student, hope you come down with a terminal case of senioritis.

Read more on Seattle Times

The "Friends" alum, 57, shared a video to Instagram on Wednesday of her daughter Coco Arquette entering the final year of her high school career and in classic Cox fashion, the milestone moment came with a cheeky montage video of the 17-year-old preparing to embark on her journey into senioritis.

Read more on Fox News

The one thing Sauray will not be dealing with is senioritis.

Read more on Washington Post