See more synonyms for feverish on Thesaurus.com
  1. having fever.
  2. pertaining to, of the nature of, or resembling fever: a feverish excitement.
  3. excited, restless, or uncontrolled, as if from fever.
  4. having a tendency to produce fever.

Origin of feverish

First recorded in 1350–1400, feverish is from the Middle English word feverisch. See fever, -ish1
Related formsfe·ver·ish·ly, adverbfe·ver·ish·ness, nounnon·fe·ver·ish, adjectivenon·fe·ver·ish·ly, adverbnon·fe·ver·ish·ness, nounpseu·do·fe·ver·ish, adjectivepseu·do·fe·ver·ish·ly, adverbun·fe·ver·ish, adjective
Can be confusedfervent fever feverish

Synonyms for feverish

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for feverishly



  1. suffering from fever, esp a slight fever
  2. in a state of restless excitement
  3. of, relating to, caused by, or causing fever
Derived Formsfeverishly or feverously, adverbfeverishness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for feverishly



late 14c., "causing fever;" 1630s, "excited;" 1640s, "having symptoms of fever," from fever + -ish. Earlier in same sense was feverous (late 14c.). Related: Feverishly; feverishness.

Online Etymology Dictionary, © 2010 Douglas Harper

feverishly in Medicine


  1. Having a fever.
  2. Relating to or resembling a fever.
  3. Causing or tending to cause a fever.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.