lacustre
\la.kystʁ\
The verdict
“lacustre” is uncommon French (frequency #50,321 among 128,088 “L” headwords), classed as an adjective. The kind of spelling people second-guess.
- #50,321
- frequency rank, French
- 128,088
- “L” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Relatif aux lacs et à tous les plans d’eau douce.
| Property | Value |
|---|---|
| Headword | lacustre |
| Language | French |
| Part of speech | Adjective |
| IPA | \la.kystʁ\ |
| Letters | 8 |
| Frequency rank | #50,321 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “lacustre” sits in French frequency
Rare enough to double-check
lacustre is uncommon French at frequency #50,321 among 128,088 “L” headwords, classed as anadjective, transcribed \la.kystʁ\. Rarity is why readers land here mid-draft. 4 senses are on record.
The misspelling generator found no plausible variants for lacustre, suggesting the orthography follows predictable French patterns. This entry stands alone in our confusable dataset, 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, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct French form is lacustre, spelled L-A-C-U-S-T-R-E.
Definition
- 1Relatif aux lacs et à tous les plans d’eau douce.
- 2Qualifie des plantes qui croissent ou qui vivent autour des grands lacs et des grands étangs, ou dans leurs eaux mêmes.
- 3Qualifie certaines couches du sol qui paraissent avoir été déposées au fond des eaux douces.
- 4Qualifie les cités bâties sur pilotis dans les lacs de la Suisse, de la Savoie et de la haute Italie, à l’époque préhistorique.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "lacustre"?
What does "lacustre" mean?
How do you pronounce "lacustre"?
What language does "lacustre" come from?
Is PlainSpell free to use?
Using “lacustre”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is L-A-C-U-S-T-R-E - every other letter order is a misspelling in standard orthography.
- Say it as \la.kystʁ\ (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
Other uncommon French words near this rank
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.