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Pop Culture dictionary results for best friend.

best friend

American  

[best frend] / ˈbɛst ˈfrɛnd /

noun

• best friends
  plural

1. a person’s closest or most cherished friend.

   Sheila has been my best friend since we were seven.

   Synonyms:

   bosom friend, bosom buddy, bff, bf, bestie

2. something that a person particularly depends on or has a special affection for.

   A purple, stuffed armadillo was my best friend and companion through my whole childhood.

3. something considered or suggested to be particularly useful or valuable.

   When it comes to saving for retirement, compound interest is your new best friend.

   Your local piano tuner could be your best friend when buying a piano.

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Other Word Forms

Noun Inflected Forms

• best friends
  plural

Etymology

Origin of best friend

First recorded before 1000

Example Sentences

See Examples For:

best friend

She’s my best friend, and I’m the happiest I have ever been when I’m with her, but I have also never felt so supported and safe, ever.

From MarketWatch ● Sep. 23, 2026

He doesn’t carry a U.S. passport, but he believes America is the best friend the Chinese people have.

From The Wall Street Journal ● Sep. 21, 2026

"When we were happy it was like he was like my best friend," she said.

From BBC ● Sep. 10, 2026

My best friend passed away unexpectedly this week.

From MarketWatch ● Sep. 3, 2026

Viola of course agreed, and from that point she enthusiastically assumed the titles of housekeeper and best friend.

From "The Bletchley Riddle" by Ruta Sepetys and Steve Sheinkin