swore
v. A2 Elementary US //ˈswɔɹ// UK //swˈɔː// swore
v. the past tense of 'swear'. You use it when someone made a strong promise or said something very rude in the past.
v. the simple past tense of 'swear'; indicates a completed act of making a solemn promise or using offensive language.
He swore he would never lie again.
She swore an oath to protect the secret of the old family business.
The witness swore under penalty of perjury that he had seen the defendant leave the building before midnight.
Usage
Irregular verb form; the base form is 'swear'.
Pitfall
He swered to help.He swore to help.'Swear' is an irregular verb; the past tense is 'swore', not 'swered'.