# FIFO

> English word · Noun · IPA /ˈfaɪfəʊ/ · frequency rank #53,541

## Definitions
1. Acronym of first in first out.
2. Acronym of fly-in fly-out.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/fifo