fatberg
fat·berg/ˈfætbɝɡ/noun
fatberg is a noun meaning “A large accumulation of fat and discarded toiletries which clogs sewers” (English Wiktionary, September 2026). It is spelled F-A-T-B-E-R-G and has 2 syllables (fat·berg), and it appears about once in every 69 million words in written English (wordfreq, 2021 data). The plural of fatberg is fatbergs.
What does fatberg mean?
noun
- 1
A large accumulation of fat and discarded toiletries which clogs sewers.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce fatberg?
- UK /ˈfætbɜːɡ/
- US /ˈfætbɝɡ/
Fatberg has 2 syllables, split fat·berg in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-uk-fatberg.oga, LL-Q1860_(eng)-Neøn-fatberg.wav, Wikimedia Commons (author and licence on each file's page).
Forms of fatberg
- fatbergs plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is fatberg?
Fatberg appears about once in every 69 million words in written English, the 262,293rd most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Fatberg in Spanish, French, German and Portuguese
In the sense large accumulation of fat, etc., which clogs sewers:
| Language | Words |
|---|---|
| French | fatberg |
| German | Fettberg |
| Portuguese | fatberg |
| Spanish | fatberg |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does fatberg come from?
From fat + berg, modelled on iceberg. By surface analysis, fat + -berg.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).