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Definition of Pest
1. Noun. A serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal.
Exact synonyms: Pestilence, Pestis, Plague
Generic synonyms: Epidemic Disease
Specialized synonyms: Bubonic Plague, Glandular Plague, Pestis Bubonica, Plague Pneumonia, Pneumonic Plague, Pulmonic Plague, Septicemic Plague
Derivative terms: Plague
Generic synonyms: Epidemic Disease
Specialized synonyms: Bubonic Plague, Glandular Plague, Pestis Bubonica, Plague Pneumonia, Pneumonic Plague, Pulmonic Plague, Septicemic Plague
Derivative terms: Plague
2. Noun. Any epidemic disease with a high death rate.
Exact synonyms: Pestilence, Plague
Generic synonyms: Epidemic Disease
Derivative terms: Pestilent, Pestilential, Plague, Plaguey
Generic synonyms: Epidemic Disease
Derivative terms: Pestilent, Pestilential, Plague, Plaguey
3. Noun. A persistently annoying person.
Exact synonyms: Blighter, Cuss, Gadfly, Pesterer
Specialized synonyms: Nudnick, Nudnik
Generic synonyms: Persecutor, Tormenter, Tormentor
Derivative terms: Pester
Specialized synonyms: Nudnick, Nudnik
Generic synonyms: Persecutor, Tormenter, Tormentor
Derivative terms: Pester
4. Noun. Any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.. "Many pests have developed resistance to the common pesticides"
Definition of Pest
1. n. A fatal epidemic disease; a pestilence; specif., the plague.
Definition of Pest
1. Noun. (originally) A plague, pestilence, epidemic ¹
2. Noun. An annoying, harmful, often destructive creature. ¹
3. Noun. An annoying person. ¹
4. Noun. (British slang) Someone with poor social discipline who continually bothers disinterested women. ¹
¹ Source: wiktionary.com
Definition of Pest
1. an annoying person or thing [n -S]
Medical Definition of Pest
1. A general term for organisms (rats, insects, etc.) which may cause illness or damage or consume food crops and other materials important to humans. (09 Oct 1997)