# BFF

Pronunciation: say "bee-ef-EF" /ˌbi.ɛfˈɛf/

## Noun

1. Initialism of best friend forever. *(colloquial)* — Initialism of best friend forever.
   - Simple: Initialism of best friend forever. Use it for a very close friend you expect to stay close to.
   - _Maya invited her BFF to be maid of honor at the wedding._
   - _The two became BFFs after spending a whole summer at camp together._
2. Initialism of backend for frontend. — Initialism of backend for frontend.
   - Simple: Initialism of backend for frontend. It is a server part built to fit one kind of app or screen.
   - _The architects introduced a BFF to keep API responses tailored and lean for the web client._
   - _Rather than one monolithic gateway, the platform now runs separate BFFs for its iOS and Android apps._

Source: DictionaryAI, https://dictionaryai.com/define/bff (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).