noun
- a best friend; a person's closest or most trusted friend
Usage: informal; chiefly used by young people and in casual contexts
Examples
- My bestie and I have known each other since elementary school.
- She texted her bestie to make plans for the weekend.
- He considers his older brother his bestie.
- My besties always have my back no matter what.
- I'm going to the concert with my bestie.