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Definition of pester
pester
/ˈpɛs.tər/
pes · ter
Past Simple:pestered
•Past Participle:pestered
•Present Participle:pestering
pester Lexical Profile
CEFR
B2
Grade
6
Tier
2
Usage
Top 10k
Syllables
2
pester Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• verb
1
To trouble or annoy someone with frequent or persistent requests, questions, or interruptions.
Example
"The children continued to pester their parents for permission to stay up late."
Synonyms
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View all antonyms for pester• Rhymes for pester
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Word Origin & Etymology
Borrowed in the 16th century from French 'empestrer' (to hobble a horse or entangle), from Vulgar Latin '*impastoriare', derived from Latin 'pastorium' (a tether for grazing animals); the sense was later influenced by association with 'pest'.
Cite this Entry
Wordmom. (2026). Definition of Pester. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/pester