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
In fact, having a best friend like that might make things much worse.
—Madeline Holcombe, CNN Money, 9 May 2026
Prudence Sibley was with her best friend when they were hit, Angela Sibley added.
—Ricky Sayer, CBS News, 9 May 2026
One of Kahn’s sculptural lamps and a large-scale tapestry appear early on in the film in the Tribeca loft of Lily, Andy Sachs’s (Anne Hathaway) best friend who has apparently had a successful career in art after being introduced as a gallery assistant in the first film.
—José Criales-Unzueta, Vanity Fair, 8 May 2026
Millions of Americans were dying, including two of my best friends and many of the elders who had bravely entrusted their stories to me.
—Erik Pedersen, Oc Register, 8 May 2026
See All Example Sentences for best friend
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Madeline Holcombe, CNN Money, 9 May 2026
Prudence Sibley was with her best friend when they were hit, Angela Sibley added.
—Ricky Sayer, CBS News, 9 May 2026
One of Kahn’s sculptural lamps and a large-scale tapestry appear early on in the film in the Tribeca loft of Lily, Andy Sachs’s (Anne Hathaway) best friend who has apparently had a successful career in art after being introduced as a gallery assistant in the first film.
—José Criales-Unzueta, Vanity Fair, 8 May 2026
Millions of Americans were dying, including two of my best friends and many of the elders who had bravely entrusted their stories to me.
—Erik Pedersen, Oc Register, 8 May 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 10 May. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
