Skip to main content
PlainSpell

fiss

/fɪs/verbnonstandard

fiss is a verb meaning “To split apart into multiple entities” (English Wiktionary, September 2026). It is spelled F-I-S-S and has one syllable, and it appears about once in every 44 million words in written English (wordfreq, 2021 data).

What does fiss mean?

verb

  1. 1

    nonstandardTo split apart into multiple entities.

noun

as FISs
  1. 1

    plural of FIS (a form of FIS)

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

How do you pronounce fiss?

  • /fɪs/

Fiss has one syllable (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 fiss

  • fisses present, singular, he/she/it
  • fissing participle, present
  • fissed participle, past

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

How common is fiss?

Fiss appears about once in every 44 million words in written English, the 204,233rd 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).

Where does fiss come from?

From fission by back-formation.

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