fidelis

adj

The verdict

“fidelis” is uncommon French (frequency #85,720 among 3,276 “F” headwords), classed as an adjective. The kind of spelling people second-guess.

#85,720
frequency rank, French
3,276
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Digne de confiance, fidèle, sûr, solide, loyal, sincère.

Corpus desk

Index FR-fidelis · fidelis · French

fidelis · rank #85,720 · 0 variants · 0 confusables

  • FREQ-RARE #85,720
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,276
  • PHOTO-FINISH feud

Nearest frequency peer: feud (-1 rank slots)

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.

Rangs de longue queue près de « fidelis »

Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court

corpus weight

What this shows Vue de longue queue: où « fidelis » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for fidelis
PropertyValue
Headwordfidelis
LanguageFrench
Part of speechAdjective
Letters7
Frequency rank#85,720
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « fidelis » en français

De gauche à droite: le peu qui porte la parole quotidienne, puis la longue queue quasi invisible.fidelistombe dans cette queue de rareté:

#1#100#1K#10K#100K
← used constantlyrarely used →

L'axe est logarithmique: chaque tic marque environ dix fois moins de fréquence. Voisins rares de la même bande: « feud » (#85,719), « filera » (#85,721), « feste » (#85,718). Parmi 3,276 lemmes en « F », « fidelis » est au #85,720. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

fidelis is uncommon French at frequency #85,720 among 3,276 “F” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 3 senses are on record.

No misspelling variants are generated for fidelis in our index, since its letter sequence doesn't invite the usual edit-distance slips. No close-neighbour confusable shows up for this headword in our 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, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is fidelis, spelled F-I-D-E-L-I-S.

Definition

  1. 1
    Digne de confiance, fidèle, sûr, solide, loyal, sincère.
  2. 2
    Fidèle en amitié, ami, amical, affectueux.
  3. 3
    Qui inspire confiance, véritable, solide, ferme.

Recorded use

Wiktionary examples

These source excerpts show how fidelis appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. fidelis alicui ; fidelis in aliquem.
  2. fidele consilium

Antonyms

infidelis

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 "fidelis"?
"fidelis" is spelled F-I-D-E-L-I-S.
What does "fidelis" mean?
As an adjective, "fidelis" means: Digne de confiance, fidèle, sûr, solide, loyal, sincère.
What language does "fidelis" come from?
"fidelis" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

Similar French words by spelling shape

Same letter count and similar misspelling depth for "fidelis", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 7 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list