four–letter word
noun
Definition of four–letter word
: any of a group of vulgar or obscene words typically made up of four letters; broadly : a taboo word or topic tax is a four-letter word to him
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First Known Use of four–letter word
1897
FOUR–LETTER WORD Defined for English Language Learners
four-letter word
noun
Definition of four–letter word for English Language Learners
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: an offensive word and especially an offensive word that has four letters
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: a word, subject, or idea that is disliked by some people
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