1. To use offensive language: This is the most common meaning of "swear" and refers to the use of profanity or strong language, often considered taboo or disrespectful. Examples:
* "He swore at the driver who cut him off."
* "I swore I wouldn't eat another cookie, but I did."
* "The witness swore under oath to tell the truth."
2. To make a solemn promise: This meaning implies a strong commitment or vow. Examples:
* "I swear I'll never do that again."
* "They swore to protect their country."
* "He swore on his mother's grave that he was innocent."
3. To testify under oath: This meaning refers to a formal declaration in a legal proceeding. Examples:
* "The witness was sworn in before giving testimony."
* "The defendant swore to tell the truth."
4. To affirm or declare something to be true: This meaning is similar to "to assure" or "to guarantee." Examples:
* "I swear I saw a ghost."
* "He swore that the story was true."
5. To curse or invoke a supernatural power: This meaning is more archaic and often used in a religious context. Examples:
* "The witch swore revenge on the village."
* "The king swore on the holy book."
The specific meaning of "swear" depends on the context in which it is used. It's important to pay attention to the surrounding words and the overall tone of the sentence to determine the intended meaning.