lifo lifey • lift · · · Info · Definitions · Synonyms · Characters · · lifo · · Text Latin · · Script 4 · · Length Definitions · · · (noun) inventory accounting in which the most recently acquired items are assumed to be the first sold. Synonyms: last in first out, LIFO. · · Noun Definition 1 Synonyms · · · last in first out · · Synonym 1 Characters · · f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F