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English definition of “swear”

swear

verb [I] (USE RUDE WORDS)    /sweər/ US  /swer/ (swore, sworn)
B2 to use words that are rude or offensive as a way of emphasizing what you mean or as a way of insulting someone or something: It was a real shock , the first time I heard my mother swear. When the taxi driver started to swear at him, he walked off.Swearing and blasphemy Grammar:Swearing and taboo expressionsSwear words and taboo words can intensify what is said, but they can shock or give offence. Swearing and the use of taboo words and expressions is quite common in speaking. We often hear and use it both in private and in public settings and in films, on television and on the radio.
(Definition of swear verb (USE RUDE WORDS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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