betray is a verb that means to be disloyal to someone who trusts you, especially by doing something harmful or dishonest.
Other meanings of betray include:
1. To reveal information that should be kept secret
2. To show feelings you are trying to hide
3. To unintentionally show something you wanted to keep hidden
Example sentences:
- She felt betrayed when her best friend spread rumors about her.
- His trembling hands betrayed his nervousness.