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
Relocated to a coastal town under the care of her brother’s best friend, Axel Nguyen, Leah grapples with grief, haunting nightmares and a fractured sense of self.
—Max Goldbart, Deadline, 7 Aug. 2025
Within days of her arrival, she’s being stalked, has stumbled upon two crime scenes, visited Tyler (the Hyde and her Season 1 love interest) and is trying to find out who’s controlling the murderous crows that might be after her best friend, Enid.
—Monica Mercuri, Forbes.com, 7 Aug. 2025
Diana’s first husband was a Navy pilot who died shortly after Victoria’s birth, and his best friend, who then became Georgina’s biological father, also passed away when the girls were young.
—Lily Ford, HollywoodReporter, 7 Aug. 2025
Matarazzo is best-known for her role in The Princess Diaries, playing best friend as Lilly Moscovitz.
—Jane Lacroix, People.com, 6 Aug. 2025
See All Example Sentences for best friend
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Max Goldbart, Deadline, 7 Aug. 2025
Within days of her arrival, she’s being stalked, has stumbled upon two crime scenes, visited Tyler (the Hyde and her Season 1 love interest) and is trying to find out who’s controlling the murderous crows that might be after her best friend, Enid.
—Monica Mercuri, Forbes.com, 7 Aug. 2025
Diana’s first husband was a Navy pilot who died shortly after Victoria’s birth, and his best friend, who then became Georgina’s biological father, also passed away when the girls were young.
—Lily Ford, HollywoodReporter, 7 Aug. 2025
Matarazzo is best-known for her role in The Princess Diaries, playing best friend as Lilly Moscovitz.
—Jane Lacroix, People.com, 6 Aug. 2025
See All Example Sentences for best friend
Cite this Entry
“Best friend.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/best%20friend. Accessed 21 Aug. 2025.
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