déraison
French, noun/de.ʁɛ.zɔ̃/
déraison is spelled D-É-R-A-I-S-O-N (8 letters) and appears about once in every 4 million words in written French, the 66,599th most frequent French word form (wordfreq, 2021 data). Déraison is a French feminine noun meaning “unreasonableness” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Manière de penser dénuée de raison ; état d’esprit contraire à la raison ou au bon sens commun”.
What does déraison mean in English?
noun
- 1
feminineunreasonableness
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Manière de penser dénuée de raison ; état d’esprit contraire à la raison ou au bon sens commun.
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 déraison
- déraisons plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce déraison?
- /de.ʁɛ.zɔ̃/
- /de.ʁe.zɔ̃/
- \de.ʁɛ.zɔ̃\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to déraison
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is déraison in French?
déraison appears about once in every 4 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).