polyfill
noun, verb
polyfill is spelled P-O-L-Y-F-I-L-L: 8 letters. It appears about once in every 46 million words in written English, the 209,386th most frequent word form (wordfreq, 2021 data). As a noun, polyfill means “A synthetic textile used for bulk or insulation, e.g., in stuffed animals or coats” (English Wiktionary, September 2026). The plural of polyfill is polyfills.
How many letters and syllables are in polyfill?
| Letters | 8: P-O-L-Y-F-I-L-L |
|---|---|
| In writing | about once in every 46 million words; the 209,386th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is polyfill?
Polyfill appears about once in every 46 million words in written English, the 209,386th 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).
Forms of polyfill
- polyfills plural, present, singular, he/she/it
- polyfilling participle, present
- polyfilled participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does polyfill mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A synthetic textile used for bulk or insulation, e.g., in stuffed animals or coats.
- 2
An algorithm to fill a polygon with a particular color.
- 3
A plugin that provides the functionality of newer browsers to older versions.
verb
- 1
To create or apply a polyfill.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does polyfill come from?
Blend of polyester + fill.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).