lunacy

[ˈluː.nə.si]

/[ˈluː.nə.si]/ noun

The verdict

“lunacy” is uncommon French (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency French
6
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Affolement, folie, insanité.

Corpus desk

Index FR-lunacy · lunacy · French

lunacy · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "L" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for lunacy
PropertyValue
Headwordlunacy
LanguageFrench
Part of speechNoun
IPA[ˈluː.nə.si]
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « lunacy » en français

lunacyn'entre pas dans le top 100.000 du français: zone de termes techniques, archaïques ou rares.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

lunacy is uncommon French outside the top frequency list, classed as anoun, transcribed [ˈluː.nə.si]. Rarity is why readers land here mid-draft. Gloss: "Affolement, folie, insanité.".

Our edit-distance generator produced no likely misspellings for lunacy, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, a sign it's visually distinctive enough not to be mixed up with another word.

This headword's origin isn't recorded in our source data, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is lunacy, spelled L-U-N-A-C-Y.

Definition

  1. 1
    Affolement, folie, insanité.

Synonyms

Antonyms

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "lunacy"?
"lunacy" is spelled L-U-N-A-C-Y. The IPA pronunciation is [ˈluː.nə.si].
What does "lunacy" mean?
As a noun, "lunacy" means: Affolement, folie, insanité.
How do you pronounce "lunacy"?
The IPA (International Phonetic Alphabet) transcription for "lunacy" is [ˈluː.nə.si]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "lunacy" come from?
"lunacy" is a French word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list