Meaning & use
bestie
A person's closest and most trusted friend, often for years.
See it in a sentence
She called her bestie the moment she got the good news.
We've been besties since our first day of elementary school.
A note on using this word
Informal slang, common in casual speech and social media, and generally avoided in formal writing.
Words with a similar meaning
best friendclose friend
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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