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PlainSpell

fallax

/ˈfæləks/obsolete

fallax is a noun meaning “cavillation; petty criticism” (English Wiktionary, September 2026). It is spelled F-A-L-L-A-X, and it appears about once in every 40 million words in written English (wordfreq, 2021 data). The plural of fallax is fallaxes.

What does fallax mean?

noun

  1. 1

    obsoletecavillation; petty criticism

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

How do you pronounce fallax?

  • /ˈfæləks/

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

How common is fallax?

Fallax appears about once in every 40 million words in written English, the 194,306th 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 fallax come from?

Borrowed from Latin fallāx (“deceptive”).

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