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
The parents of my kids’ best friends showed up with their parents.
—Voice Of The People, New York Daily News, 3 Apr. 2026
First on that list, say investigators, was Jones' best friend Steven White, who was charged in the burglary.
—Rebecca Laflam, CBS News, 3 Apr. 2026
We’re told sisters are built-in best friends, a ride-or-die assigned at birth.
—Lauren Brown West-Rosenthal, Glamour, 2 Apr. 2026
When breaking down tasks, a timer can be your best friend.
—Laura E. Knouse, The Conversation, 2 Apr. 2026
See All Example Sentences for best friend
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Voice Of The People, New York Daily News, 3 Apr. 2026
First on that list, say investigators, was Jones' best friend Steven White, who was charged in the burglary.
—Rebecca Laflam, CBS News, 3 Apr. 2026
We’re told sisters are built-in best friends, a ride-or-die assigned at birth.
—Lauren Brown West-Rosenthal, Glamour, 2 Apr. 2026
When breaking down tasks, a timer can be your best friend.
—Laura E. Knouse, The Conversation, 2 Apr. 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 6 Apr. 2026.
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