swore
verbUK /swɔː/
US /swɔːr/
Swore is the past tense of swear, which means to make a serious promise.
She swore she would keep the secret.
OTHER MEANINGS
2. Said a bad word when angry.
He swore when he dropped the glass.
3. Said something is true with great confidence.
I swear I saw a cat in the garden.
4. Made a formal promise in a court of law.
The witness swore to tell the truth.