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
William GieseLycra-cotton leggings and tunic tops are the pregnant woman's best friend, sartorially speaking.—Anne Reeks
Anne ReeksWhen cops bang on the door, the toilet is a drug dealer's best friend.—Frederick Kaufman
Frederick KaufmanExamples of best friend in a Sentence
Recent Examples on the Web
There's the rom-com-y elements where her mom and best friend are pressuring the girl to go on a dating app and find the right guy and get her life together, and moments of that levity and silliness.
—Ilana Kaplan, Vogue, 17 Jan. 2025
One of those powerful people is mega-popstar Taylor Swift, who Lively has counted among her best friends for years.
—Rebecca Cohen, NBC News, 17 Jan. 2025
Henry will lean on his best friend Jasper (original cast member Sean Ryan Fox), and his new superfan sidekick to find their way out.
—Sari Hitchins, Parents, 16 Jan. 2025
The caterer typically follows this seating chart to know who is eating beef versus fish, and the planner knows your mom's best friend is allergic to tree nuts.
—Betsy Cribb Watson, Southern Living, 16 Jan. 2025
See all Example Sentences for best friend 
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Ilana Kaplan, Vogue, 17 Jan. 2025
One of those powerful people is mega-popstar Taylor Swift, who Lively has counted among her best friends for years.
—Rebecca Cohen, NBC News, 17 Jan. 2025
Henry will lean on his best friend Jasper (original cast member Sean Ryan Fox), and his new superfan sidekick to find their way out.
—Sari Hitchins, Parents, 16 Jan. 2025
The caterer typically follows this seating chart to know who is eating beef versus fish, and the planner knows your mom's best friend is allergic to tree nuts.
—Betsy Cribb Watson, Southern Living, 16 Jan. 2025
See all Example Sentences for best friend
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 Jan. 2025.
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