pest

noun \ ˈpest \
Updated on: 13 Dec 2017

Definition of pest

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)
3 : one that pesters or annoys : nuisance

pesty

play \ˈpe-stē\ adjective

Examples of pest in a Sentence

  1. These insects are pests for farmers.

  2. mice and other household pests

  3. You're being a real pest. Would you leave us alone, please?

Recent Examples of pest from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pest.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of pest

Middle French peste, from Latin pestis


PEST Defined for English Language Learners

pest

noun

Definition of pest for English Language Learners

  • : an animal or insect that causes problems for people especially by damaging crops

  • : a person who bothers or annoys other people


PEST Defined for Kids

pest

noun \ ˈpest \

Definition of pest for Students

1 : nuisance
  • … Kirsti was such a pest, always butting in.
  • —Lois Lowry, Number the Stars
2 : a plant or animal that is harmful to humans or property

Medical Dictionary

pest

noun \ ˈpest \

medical Definition of pest

1 : an epidemic disease associated with high mortality; specifically : plague 2
2 : something resembling a pest in destructiveness; especially : a plant or animal detrimental to humans or human concerns

pesty

play \ˈpes-tē\ adjective


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