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fouling

/ˈfaʊlɪŋ/noun, verb

fouling is a noun meaning “The adhesion of a foreign material onto a surface, especially so as to reduce its functionality” (English Wiktionary, September 2026). It is spelled F-O-U-L-I-N-G and has 2 syllables, and it appears about once in every 1 million words in written English (wordfreq, 2021 data). The plural of fouling is foulings.

What does fouling mean?

noun

  1. 1

    The adhesion of a foreign material onto a surface, especially so as to reduce its functionality.

verb

  1. 1

    present participle and gerund of foul (a form of foul)

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you pronounce fouling?

  • /ˈfaʊlɪŋ/

Fouling has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of fouling

  • foulings plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is fouling?

Fouling appears about once in every 1 million words in written English, the 32,798th 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).

Words people confuse with fouling

Sounds like: fowling (Wiktionary's homophone list; some hold only in some accents).

Sources: English Wiktionary (homophones, alternative spellings).