1
: an epidemic disease associated with high mortality
specifically
: plague
2
: something resembling a pest in destructiveness
especially
: a plant or animal detrimental to humans or human concerns (such as agriculture or livestock production)
Examples of pest in a Sentence
These insects are pests for farmers.
mice and other household pests
You're being a real pest. Would you leave us alone, please?
Recent Examples on the Web
This perennial prairie native thrives in poor soil and summer heat, tolerating drought, deer, and pests.
—
Kim Toscano, Southern Living, 18 May 2025
Corteva supplies farmers with products for pest and disease control, as well as seeds, livestock feed and nutrient maximizers, which help stabilize nitrogen levels in the soil.
—Brett Owens, Forbes.com, 15 May 2025
Hayes suggested moving those planters outside or using a treatment on the soil to get rid of the pests.
—Evan Moore, Charlotte Observer, 14 May 2025
The infestation didn’t seem to respond to pest control, either.
—Nicole Blanchard, Idaho Statesman, 10 May 2025
See All Example Sentences for pest
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Kim Toscano, Southern Living, 18 May 2025
Corteva supplies farmers with products for pest and disease control, as well as seeds, livestock feed and nutrient maximizers, which help stabilize nitrogen levels in the soil.
—Brett Owens, Forbes.com, 15 May 2025
Hayes suggested moving those planters outside or using a treatment on the soil to get rid of the pests.
—Evan Moore, Charlotte Observer, 14 May 2025
The infestation didn’t seem to respond to pest control, either.
—Nicole Blanchard, Idaho Statesman, 10 May 2025
See All Example Sentences for pest
Cite this Entry
“Pest.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pest. Accessed 22 May. 2025.
Copy CitationKids Definition
pest
noun1
: an epidemic disease which causes a large number of deaths
especially
: plague entry 1 sense 2
2
: something resembling a pest in destructiveness
especially
: a plant or animal harmful to human beings or human concerns (as agriculture)
3
: one that pesters or annoys : nuisance
Medical Definition
pest
noun1
: an epidemic disease associated with high mortality
specifically
: plague sense 2
2
: something resembling a pest in destructiveness
especially
: a plant or animal detrimental to humans or human concerns
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