Breadcrumb Home > Thesaurus > F Synonyms of fifo Find synonyms for: Noun 1. first in first out, FIFO, inventory accounting usage: inventory accounting in which the oldest items (those first acquired) are assumed to be the first sold WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of fifo (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: prescient Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language