au fond du fond

\o fɔ̃ dy fɔ̃\

/\o fɔ̃ dy fɔ̃\/ adv

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“au fond du fond” is uncommon French (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.

Unranked
below top-frequency French
15
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Tout bien considéré ; en regardant la réalité ; sans se mentir.

Key facts for au fond du fond
PropertyValue
Headwordau fond du fond
LanguageFrench
Part of speechAdverb
IPA\o fɔ̃ dy fɔ̃\
Letters15
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “au fond du fond” sits in French frequency

au fond du fond falls outside the top-100,000 ranked French words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

au fond du fond is uncommon French outside the top frequency list, classed as anadverb, transcribed \o fɔ̃ dy fɔ̃\. Rarity is why readers land here mid-draft. Gloss: "Tout bien considéré ; en regardant la réalité ; sans se mentir.".

No misspelling variants are generated for au fond du fond in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.

This headword's origin isn't recorded in our source data, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is au fond du fond, spelled A-U- -F-O-N-D- -D-U- -F-O-N-D.

Definition

  1. 1
    Tout bien considéré ; en regardant la réalité ; sans se mentir.

Synonyms

au fond

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 "au fond du fond"?
"au fond du fond" is spelled A-U- -F-O-N-D- -D-U- -F-O-N-D. The IPA pronunciation is \o fɔ̃ dy fɔ̃\.
What does "au fond du fond" mean?
As an adverb, "au fond du fond" means: Tout bien considéré ; en regardant la réalité ; sans se mentir.
How do you pronounce "au fond du fond"?
The IPA (International Phonetic Alphabet) transcription for "au fond du fond" is \o fɔ̃ dy fɔ̃\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "au fond du fond" come from?
"au fond du fond" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

Using “au fond du fond”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is A-U- -F-O-N-D- -D-U- -F-O-N-D - every other letter order is a misspelling in standard orthography.
  • Say it as \o fɔ̃ dy fɔ̃\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more French words and confusable pairs in the same reference. French words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list