Thesaurus.com
Dictionary.com
Showing results for pest. Search instead for penst.
Definitions

pest

[pest] / pɛst /
NOUN
person or thing that presents problem
Synonyms
STRONGEST
blight bug contagion epidemic infection plague scourge virus
STRONG
annoyance badgerer bane blister bore bother botheration creep curse drag drip exasperation headache irritant irritation nag nudge nuisance pain pesterer pestilence pill tease tormentor trial trouble vexation
WEAK
besetment crashing bore pain in the neck thorn in side
Antonyms
STRONGEST
advantage blessing boon
STRONG
aid comfort delight good health happiness help joy peace pleasure

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The researchers believe their findings could lead to more effective pest control strategies.

From Science Daily • Mar. 22, 2026

Brady, meanwhile, is 21 months younger, two inches taller—and every bit as much of a pest as his brother.

From The Wall Street Journal • Feb. 14, 2026

The pest control company’s fourth-quarter earnings missed analysts’ expectations as cooler weather and a challenging macroeconomic environment weighed on demand for its services.

From Barron's • Feb. 12, 2026

Belfast City Council is the only council to offer a free pest control service, focusing mainly on rats and mice.

From BBC • Jan. 20, 2026

"My sister may be a pest," she said, "but she's not a thief!"

From "Sleepover Sleuths: Nancy Drew and the Clue Crew, #1" by Carolyn Keene

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.