Dictionary.com
Thesaurus.com

subfebrile

American  
[suhb-fee-bruhl, -feb-ruhl, -fee-brahyl] / sʌbˈfi brəl, -ˈfɛb rəl, -ˈfi braɪl /

adjective

  1. pertaining to or marked by a temperature slightly above normal.


Etymology

Origin of subfebrile

First recorded in 1895–1900; sub- + febrile