Dictionary.com

pestiferous

[ pe-stif-er-uhs ]
/ pɛˈstɪf ər əs /
Save This Word!

adjective
spreading or bearing disease, especially deadly epidemic disease; pestilential: pestiferous rats.
pernicious; evil: The wicked duke's pestiferous rule blighted the countryside.
Informal. mischievous; troublesome or annoying: Those pestiferous boys won't leave my apple tree alone.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of pestiferous

First recorded in 1425–75; late Middle English, from Latin pestiferus “pestilential,” equivalent to pesti- (stem of pestis ) + -ferus; see origin at pest, -ferous

OTHER WORDS FROM pestiferous

pes·tif·er·ous·ly, adverbpes·tif·er·ous·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use pestiferous in a sentence

British Dictionary definitions for pestiferous

pestiferous
/ (pɛˈstɪfərəs) /

adjective
informal troublesome; irritating
breeding, carrying, or spreading infectious disease
corrupting; pernicious

Derived forms of pestiferous

pestiferously, adverbpestiferousness, noun

Word Origin for pestiferous

C16: from Latin pestifer, from pestis contagious disease, pest + ferre to bring
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

Medical definitions for pestiferous

pestiferous
[ pĕ-stĭfər-əs ]

adj.
Producing or breeding infectious disease.
Infected with or contaminated by an epidemic disease.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
FEEDBACK