pérfido

/ˈpɛɾ.fi.du/

//ˈpɛɾ.fi.du// adj

The verdict

“pérfido” is uncommon Portuguese (frequency #99,129 among 1,578 “P” headwords), classed as an adjective. The kind of spelling people second-guess.

#99,129
frequency rank, Portuguese
1,578
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - infiel, desleal, falso; que falta à palavra

Corpus desk

Index PT-perfido · pérfido · Portuguese

pérfido · rank #99,129 · 0 variants · 0 confusables

  • FREQ-RARE #99,129
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,578
  • PHOTO-FINISH préstimo

Nearest frequency peer: préstimo (-8 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.

Ranks da cauda longa perto de “pérfido”

Faixa escassa: as barras invertem o rank para o raro ler-se mais curto

corpus weight

What this shows Vista da cauda longa: onde “pérfido” se situa face a ranks portugueses igualmente raros.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for pérfido
PropertyValue
Headwordpérfido
LanguagePortuguese
Part of speechAdjective
IPA/ˈpɛɾ.fi.du/
Letters7
Frequency rank#99,129
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cauda longa: rank de “pérfido” em português

A frequência vai do punhado de palavras do dia a dia (esquerda) à cauda longa quase nunca usada (direita).pérfidocai nesta cauda de raridade:

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

Os ticks avançam em logaritmo; cada um é da ordem de dez vezes mais raro. Vizinhos raros da mesma faixa: “préstimo” (#99,121), “profiler” (#99,111), “regurgitar” (#99,153). Entre 1,578 lemas com “P”, “pérfido” fica em #99,129. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

pérfido is uncommon Portuguese at frequency #99,129 among 1,578 “P” headwords, classed as anadjective, transcribed /ˈpɛɾ.fi.du/. Rarity is why readers land here mid-draft. Gloss: "infiel, desleal, falso; que falta à palavra".

pérfido has no tracked misspelling variants, which points to an orthography that plays by predictable Portuguese rules. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This entry's etymology isn't recorded, so its spelling is best read as a straightforward mapping from sound to letter. The correct Portuguese form is pérfido, spelled P-É-R-F-I-D-O.

Definition

  1. 1
    infiel, desleal, falso; que falta à palavra

Recorded use

Wiktionary examples

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

  1. Disseminar ódio entre classes, espalhar que regiões discriminam outras e usar o boato como forma de cooptação eleitoral são pérfidas maquinações de um vale-tudo que se esperava eliminado da política.
  2. Ah! pérfidos! mal podia eu suspeitar a intenção secreta dos malvados.

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 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "pérfido"?
"pérfido" is spelled P-É-R-F-I-D-O. The IPA pronunciation is /ˈpɛɾ.fi.du/.
What does "pérfido" mean?
As an adjective, "pérfido" means: infiel, desleal, falso; que falta à palavra
How do you pronounce "pérfido"?
The IPA (International Phonetic Alphabet) transcription for "pérfido" is /ˈpɛɾ.fi.du/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "pérfido" come from?
"pérfido" is a Portuguese 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.

Similar Portuguese words by spelling shape

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

Same letter count

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

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

Source: FrequencyWords open word-frequency list