What does feverish mean?
"Feverish" is an English adjective with two closely related uses. In its literal sense, it describes someone showing the signs of a fever — heat, flushed skin, shivering, sweating, or mild delirium — as when a child becomes feverish during an infection. In its figurative sense, it characterizes activity or emotion that is intense, excited, and slightly out of control: a feverish pace of work, feverish speculation before an announcement, or a feverish crowd awaiting results. Both senses share the underlying idea of heat and restlessness transferred from illness to human behavior. The word derives ultimately from the Latin "febris," meaning fever, entering Middle English via Old French "fieve" and taking its adjectival ending in early modern times. Its derivatives include the adverb "feverishly" and the noun "feverishness." Vivid and evocative, "feverish" remains a staple of both everyday speech and descriptive prose.
adjectiveSuffering from, or characteristic of, a fever; marked by fever symptoms such as heat and shivering. Also used figuratively to describe intense excitement, restless energy, or frantic activity.
- Having the symptoms of a fever: hot, flushed, shivering, or delirious.
- (Figuratively) Showing wild excitement, restless energy, or hurried, frenzied activity.
"She grew feverish overnight, and by morning the doctor confirmed the flu."
"The child was feverish and listless, so her parents called the doctor."
"The city was in a feverish rush of preparation on the eve of the festival."
"Feverish" descends from the Latin febris — and English also borrowed that same root directly as "febrile," which is why doctors say "febrile seizure," not "feverish seizure."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of feverish
"Feverish" traces back through Middle English to Old French "fievere" and ultimately to the Latin "febris," meaning fever. The adjective form developed in Middle English, combining this root with the suffix "-ish" to mean "having the qualities of a fever." The same Latin root gives English the more technical adjectives "febrile" and "febricant," as well as the noun "febricula" for a slight fever, making "feverish" and "febrile" true cognates within English itself.
Related word forms
How feverish is actually used
In medical contexts, "feverish" is informal compared with clinical terms like "pyrexial" or "febrile." The figurative sense is very common in journalism and literary writing, where it carries a connotation of intensity verging on loss of control rather than simple busyness.
Easily confused with feverish
"Fevered" is a rarer adjective usually meaning marked by fever or intense emotion (as in "a fevered brow"), while "feverish" is the common everyday term for both fever-like symptoms and frantic intensity.