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
Bhusri founded Workday with best friend and mentor Dave Duffield in 2005 before the two joined forces as co-CEOs in 2009.
—Amanda Gerut, Fortune, 13 Feb. 2026
Callie hangs out with her more inhibited best friend, Minnie Dunn, played spectacularly well by Katherine Mallen Kupferer.
—Baz Bamigboye, Deadline, 13 Feb. 2026
Related Stories There, June becomes entangled in a love triangle with two boys who are best friends and polar opposites.
—Nick Vivarelli, Variety, 13 Feb. 2026
But this is not a story about two best friends who break up because of the vagaries of popularity, and Coleman’s Callie is not a villain who breaks Minnie’s delicate heart.
—Kate Erbland, IndieWire, 13 Feb. 2026
See All Example Sentences for best friend
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Amanda Gerut, Fortune, 13 Feb. 2026
Callie hangs out with her more inhibited best friend, Minnie Dunn, played spectacularly well by Katherine Mallen Kupferer.
—Baz Bamigboye, Deadline, 13 Feb. 2026
Related Stories There, June becomes entangled in a love triangle with two boys who are best friends and polar opposites.
—Nick Vivarelli, Variety, 13 Feb. 2026
But this is not a story about two best friends who break up because of the vagaries of popularity, and Coleman’s Callie is not a villain who breaks Minnie’s delicate heart.
—Kate Erbland, IndieWire, 13 Feb. 2026
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 15 Feb. 2026.
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