swear verb (USE RUDE WORDS)
Thesaurus: synonyms and related words
swear verb (PROMISE)
[ + (that) ] You might find it difficult to believe, but I swear (that) the guy just came up to me and gave me the money.
UK informal She swore blind (= promised definitely) (that) she didn't know what had happened to the money.
A few of us knew what was going to happen, but we were sworn to secrecy (= we were made to promise to keep it a secret).
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. …