BFF

noun

ˌbē-ˌef-ˈef 

plural BFFs

informal

: a very close friend

A BFF doesn't gossip about or lie to you. She doesn't share your secrets on her MySpace page.

—Girls' Life

Examples of BFF in a Sentence

Recent Examples on the Web

Formed in 2022 with BFF Damon and the seemingly everywhere Gerry Cardinale of Redbird Capitol, AE aims to widen the scope of traditional profit participation from a bonus program to a business model. — Dominic Patten, Deadline, 30 Sep. 2026

Then there is Swift’s BFF Ed Sheeran, whose tour was rocked by his opener, rapper Macklemore, attracting the ire of billionaire businessman Robert Kraft after Macklemore shared his pro-Palestinian feelings from the stage. — Lisa Respers France, CNN Money, 25 Sep. 2026

In both Hazelwood’s book and Scanlon’s film (adapted by Sarah Rothschild), what seems like the sort of BFF-busting complication audiences long ago grew tired of is turned on its head. — Kate Erbland, IndieWire, 23 Sep. 2026

Alongside Kudrow, 63, and Sorvino, 58, as the fashionable BFF duo, other original cast members who are reprising their roles in the sequel, again scripted by Schiff, are Alan Cumming, Janeane Garofalo, Camryn Manheim and Julia Campbell. — Bailey Richards, PEOPLE, 2 Sep. 2026

Word History

Etymology

Best Friends Forever

First Known Use

1978, in the meaning defined above