Definitions
To annoy, bother, or trouble someone repeatedly.
Word origin
In the senses of “overcrowd (a place)” and “impede (a person)”: from Middle French and Old French empestrer (“encumber”), influenced by English pest. The modern sense is an extension of the sense “infest”. Comparable to English construction pest + -er (used to form frequentative verbs).
Used in a sentence
“He pestered me with questions.”
“She pestered him to help her.”
“By now I presumed I had become a real pester.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Keep annoying”6 letters
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