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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

“You don’t like weak women,” Judith’s best friend, Katy, points out.

From The Wall Street Journal ● Aug. 13, 2026

The couple produced the film through their company Nevermind Pictures, which they founded with Meyer’s best friend Maggie McLean, also a producer on the project.

From Los Angeles Times ● Aug. 12, 2026

‘We are not romantically involved’: I’m marrying my platonic best friend of 20 years.

From MarketWatch ● Aug. 8, 2026

“My brother’s been my best friend and one of my biggest mentors my entire life,” Christian told The Times Wednesday.

From Los Angeles Times ● Aug. 5, 2026

Of course, they’d been full of tears nearly constantly since the fair, first because she’d found out her best friend was a terrible person and then because she’d found out that I’d died.

From "Not Nothing" by Gayle Forman