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.
This is an emotional time, leaving those guys in college — some of your best friends. Phil Thompson, Chicago Tribune, 30 Mar. 2025 The film starts at a Mediterranean party resort, where British teenager Tara (Mia McKenna-Bruce) joins her two best friends for a summer holiday of drinking, dancing and chasing the freedom that comes with youth (a la Spring Breakers). Travis Bean, Forbes.com, 29 Mar. 2025 Along with the bench scene, Chet Hanks sings on a boat similar to Forrest Gump’s shrimping boat ‘Jenny,’ named after his childhood best friend (played by Robin Wright), and later appears as Forrest Gump during the character’s cross-country run. Thania Garcia, Variety, 28 Mar. 2025 In the post, the woman said her decision to cut ties with her parents stemmed from years of childhood emotional abuse and neglect, particularly from her sister's best friend, Luna. Ron Estes, MSNBC Newsweek, 28 Mar. 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 3 Apr. 2025.

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