fallacieux
French, adjective/fa.la.sjø/
fallacieux is spelled F-A-L-L-A-C-I-E-U-X (10 letters) and appears about once in every 1 million words in written French, the 38,202nd most frequent French word form (wordfreq, 2021 data). Fallacieux is a French adjective meaning “fallacious (characterized by fallacy; false or mistaken)” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Qui est fondé sur un mensonge ou un faux”.
What does fallacieux mean in English?
adjective
- 1
fallacious (characterized by fallacy; false or mistaken)
- 2
deceptive, disingenuous
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
adjective: 1. Qui est fondé sur un mensonge ou un faux. 2. Qui vise à tromper. 3. Illusoire, sans fondement.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of fallacieux
- fallacieuse feminine
- fallacieuses feminine plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce fallacieux?
- /fa.la.sjø/
- \fa.la.sjø\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to fallacieux
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is fallacieux in French?
fallacieux appears about once in every 1 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).