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
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That photo sparked an idea for a story of four best friends who only want to have a good time all the time. Marc Berman, Forbes, 5 Nov. 2024 Following the tragic death of one of her dogs, one owner saw how devastated her pit bull was to suddenly be without her best friend. Thomas G. Moukawsher, Newsweek, 5 Nov. 2024 Knowing her sister is from the future, Sumner convinces Lucy and Quinn to help her save the next victim, Emmy, Summer’s best friend. Lissete Lanuza Sáenz, StyleCaster, 5 Nov. 2024 The teenager — who was accompanied by her best friend, Cassidey Fralin — could be seen sitting in the back of the car peering out of the window, while Lopez beamed in the front seat with the sunroof open. Hannah Sacks, People.com, 4 Nov. 2024 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

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 22 Nov. 2024.

Last Updated: - Updated example sentences
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