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 Beside her is Buteau as Dawn, a married dentist, Eden’s childhood best friend, and mother of two who promises to help shepherd her bestie through pregnancy’s horny highs and lonely lows — possibly at the expense of everyone’s time and sanity. Rachel Brodsky, Rolling Stone, 20 May 2024 The Friends costars have been real-life best friends since the '90s. Katie Mannion, Peoplemag, 19 May 2024 See all Example Sentences for best friend 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'best friend.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near best friend

Cite this Entry

“Best friend.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/best%20friend. Accessed 29 May. 2024.

Last Updated: - Updated example sentences
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