feverish

If you’re feverish, your body temperature is higher than normal, usually because you’re sick. Getting the flu makes most people feverish.

Feeling feverish is sometimes the first sign that you’re coming down with an illness. Feverish symptoms include aches and chills. Another way to be feverish is to be full of excitement or turmoil. A room full of wound-up kids at a birthday party often crackles with their feverish energy. In the 14th century, something feverish caused a fever — it wasn’t until the 17th century that the word gained its current meanings.