febrile

Etymology

Borrowed from Medieval Latin febrilis, from Latin febris (“fever”).

adj

1. Feverish, or having a high temperature.
   Aurora's orange sun (Baley scarcely noted the orange tinge now) was mildly warm on his back, lacking the febrile heat that Earth's sun had in summer (but, then, what was the climate and season on this portion of Aurora right now?). 1983, Isaac Asimov, chapter 22, in The Robots of Dawn, page 116
2. (medicine) Involving fever as a symptom or cause.
3. Full of nervous energy.
   An already febrile atmosphere within the ground before the start had been stoked still further when France's players formed an arrow formation to face down the haka, and then advanced slowly over halfway as the capacity crowd roared. October 23, 2011, Tom Fordyce, “2011 Rugby World Cup final: New Zealand 8-7 France”, in BBC Sport
   Out in the ground, meanwhile, it was particularly disappointing to hear former England captain Andrew Strauss put the febrile atmosphere down to “people who don’t normally come to Lord’s”. 2023-07-04, Marina Hyde, “Who’s for political Bazball with Rishi? Voters? Tories? Anyone?”, in The Guardian