Phrase guide

first in first out

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A method of inventory accounting that values items withdrawn from inventory at the cost of the oldest item assumed to remain in inventory.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: accounting, business, finance

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A policy of assigning priority to tasks and assignments that have arrived for service first.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: management

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A type of queue data structure in which the oldest added items are retrieved first.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

inventory accounting in which the oldest items (those first acquired) are assumed to be the first sold

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: FIFO

Antonyms: none provided

Broader terms: inventory accounting

History

Etymology

No etymology was provided for this word.

Across languages

Translations

7 source translations are retained for this English entry.

  • Chinese Mandarin: 先進先出 /先进先出 (xiān jìn xiān chū) — method and policy
  • Finnish: ensin sisään ensin ulos — method and policy
  • Finnish: jonotapa — method and policy
  • German: der Reihe nach — method and policy
  • Korean: 선입선출 (seonipseonchul) — method and policy
  • Swedish: först in först ut — method and policy
  • Swedish: först till kvarn — method and policy