best friend

[ best frend ]

noun

1. a person’s closest or most cherished friend:

   Sheila has been my best friend since we were seven.

   Synonyms: bosom friend, bosom buddy, bff, bf, bestie

2. something that a person particularly depends on or has a special affection for:

   A purple, stuffed armadillo was my best friend and companion through my whole childhood.

3. something considered or suggested to be particularly useful or valuable:

   When it comes to saving for retirement, compound interest is your new best friend.

   Your local piano tuner could be your best friend when buying a piano.

Word History and Origins

Origin of best friend¹

First recorded before 1000

Example Sentences

Trump traveled to Texas yesterday with his best friend Musk to observe the latest Starship SpaceX test of one of those perfect landings.

From Salon

“Keary Colbert is one of my best friends,” Foster said, referring to the former USC wide receiver who was a teammate for four seasons with the Carolina Panthers.

From Los Angeles Times

A man who drove four teenagers on a revenge mission that led to two best friends being murdered has been jailed for life.

From BBC

Some are complete strangers who become best friends who don't know how to dance at all.

From Salon

“The saddest thing is that I will be fine because I am white – but my very best friends are Māori and I want Aotearoa New Zealand to be a safe space for them to exist.”

From BBC