What does Best Friend mean?A person's closest friend.
Other definitions of Best Friend:
- A person's most desirable or valuable belonging or property.
- A friend that always has your back, is understanding of exactly who you are, and you could talk to about anything.
- Also known as bestie or BFF, this is a term of endearment for someone's most cherished friend.
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How to use the term
You're my best friend, ya know?
"Diamonds are Girl's Best Friend" is a slogan propagated by the diamond industry.
Always best friends, they could never be separated.
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