best friend

noun

plural best friends
1
: a person's closest and dearest friend
She's my best friend.
We have been best friends since high school.
2
: a person's most desirable or valuable possession or resource
Diamonds may be a girl's best friend, but gold is more affordable.William Giese
Lycra-cotton leggings and tunic tops are the pregnant woman's best friend, sartorially speaking.Anne Reeks
When cops bang on the door, the toilet is a drug dealer's best friend.Frederick Kaufman

Examples of best friend in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Prom with a date just doesn't hit the same as showing up with your best friend. James Mercadante, EW.com, 17 May 2025 His best friend and creative partner, Lachi, is the CEO and Founder of RAMPD, a recording artist, media personality, and disability advocate. Lydia Patrick, MSNBC Newsweek, 16 May 2025 In 2016, the then 15-year-old Lil Tjay’s life changed when his best friend was fatally stabbed 14 times. Brent Lang, Variety, 15 May 2025 The group claims a man named Bradley James, who allegedly worked as a bodyguard for Megan Thee Stallion’s former best friend Kelsey Harris, witnessed a conversation that proved Harris pulled the trigger. Demicia Inman, VIBE.com, 15 May 2025 See All Example Sentences for best friend

Word History

First Known Use

13th century, in the meaning defined at sense 1

Time Traveler
The first known use of best friend was in the 13th century

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Cite this Entry

“Best friend.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/best%20friend. Accessed 22 May. 2025.

Last Updated: - Updated example sentences
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