Standard Lemma guide

backlog

noun · verb · 9 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American: /ˈbæk(ˌ)lɔɡ/
  • cot-caught-merger: /ˈbæk(ˌ)lɑɡ/
  • British, Southern, Standard: /ˈbak(ˌ)lɔɡ/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: B AE1 K L AA2 G Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
  • CMU ARPABET 2: B AE1 K L AO2 G Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A large log to burn at the back of a fire.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A reserve source or supply.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An accumulation or buildup, especially of unfilled orders, unconsumed products or unfinished work.

Definition source: English Wiktionary via Wiktextract

Examples

  • He went to work on Saturday to try to work through the backlog of papers on his desk.
  • Kyle purchased a new one despite having a backlog of video games that he hasn't played.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A log containing text previously read, as in text-based video games or chat rooms.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

verb

Meaning 5

To acquire something as a backlog, or to become a backlog

Definition source: English Wiktionary via Wiktextract

Usage: ambitransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

an accumulation of jobs not done or materials not processed that are yet to be dealt with (especially unfilled customer orders for products or services)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: collection, aggregation, accumulation, assemblage

7

noun

Meaning 7

something kept back or saved for future use or a special purpose

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: reserve, stockpile

Antonyms: none provided

Broader terms: accumulation

Narrower terms: bank, fuel level, reserve account, reserve fund

8

noun

Meaning 8

the large log at the back of a hearth fire

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: firewood

Narrower terms: Yule log

9

verb

Meaning 9

accumulate and create a backlog

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: accumulate, cumulate, conglomerate, pile up, gather, amass

History

Etymology

From back + log. 1680s; originally a large log at the back of a fire. Figurative sense from 1880s, meaning "something stored up for later use". Possibly influenced by logbook as well.

Across languages

Translations

64 source translations are retained for this English entry.

  • Chinese Mandarin: 積壓 /积压 (jīyā) — an accumulation or buildup
  • Danish: efterslæb — an accumulation or buildup
  • Danish: pukkel — an accumulation or buildup
  • Dutch: achterstand — an accumulation or buildup
  • Finnish: tilauskanta — an accumulation or buildup
  • Finnish: rästityöt — an accumulation or buildup
  • French: arriéré — an accumulation or buildup
  • German: Arbeitsrückstand — an accumulation or buildup
  • German: Auftragsüberhang — an accumulation or buildup
  • German: Nachholbedarf — an accumulation or buildup
  • German: Rückstand — an accumulation or buildup
  • German: Rückstau — an accumulation or buildup
  • German: Überhang — an accumulation or buildup
  • Hungarian: elmaradás — an accumulation or buildup
  • Hungarian: lemaradás — an accumulation or buildup
  • Hungarian: hátralék — an accumulation or buildup
  • Hungarian: restancia — an accumulation or buildup
  • Italian: arretrato — an accumulation or buildup
  • Norwegian Bokmål: etterslep — an accumulation or buildup
  • Norwegian Nynorsk: etterslep — an accumulation or buildup
  • Polish: zaległości — an accumulation or buildup
  • Portuguese: acúmulo — an accumulation or buildup
  • Russian: невы́полненные зака́зы (nevýpolnennyje zakázy) — an accumulation or buildup
  • Russian: незавершённые зада́чи (nezaveršónnyje zadáči) — an accumulation or buildup
  • Russian: задо́лженность (zadólžennostʹ) — an accumulation or buildup
  • Russian: зава́л (zavál) — an accumulation or buildup
  • Spanish: acúmulo — an accumulation or buildup
  • Spanish: pila — an accumulation or buildup
  • Spanish: montón — an accumulation or buildup
  • Spanish: trabajo atrasado — an accumulation or buildup
  • Spanish: pendientes — an accumulation or buildup
  • Spanish: acumulación — an accumulation or buildup
  • Spanish: cumulación — an accumulation or buildup
  • Spanish: comulación — an accumulation or buildup
  • Spanish: atrasos — an accumulation or buildup
  • Spanish: cartera de pedidos — an accumulation or buildup
  • Swedish: återstod — an accumulation or buildup
  • Turkish: birikme — an accumulation or buildup
  • Turkish: birikmiş iş — an accumulation or buildup
  • Turkish: terakküm — an accumulation or buildup
  • Turkish: artbirikim — an accumulation or buildup
  • Azerbaijani: tədarük — reserve source or supply
  • Azerbaijani: ehtimal — reserve source or supply
  • Bulgarian: запас (zapas) — reserve source or supply
  • Chinese Mandarin: 存貨 /存货 (cúnhuò) — reserve source or supply
  • Chinese Mandarin: 儲備 /储备 (chúbèi) — reserve source or supply
  • Danish: reserve — reserve source or supply
  • Danish: fond — reserve source or supply
  • Finnish: vara — reserve source or supply
  • German: Rücklage — reserve source or supply
  • German: Vorrat — reserve source or supply
  • German: Haufen — reserve source or supply
  • Polish: zapas — reserve source or supply
  • Portuguese: reserva — reserve source or supply
  • Russian: запа́с (zapás) — reserve source or supply
  • Russian: резе́рвы (rezérvy) — reserve source or supply
  • Spanish: fondo — reserve source or supply
  • Spanish: reserva — reserve source or supply
  • Chinese Mandarin: 積壓 /积压 (jīyā) — to acquire something as a backlog, or to become a backlog
  • Finnish: varata — to acquire something as a backlog, or to become a backlog
  • Polish: zalegać — to acquire something as a backlog, or to become a backlog
  • Polish: zalec — to acquire something as a backlog, or to become a backlog
  • Russian: накапливать (nakaplivatʹ) — to acquire something as a backlog, or to become a backlog
  • Russian: накапливаться (nakaplivatʹsja) — to acquire something as a backlog, or to become a backlog