pérfido

/ˈpɛɾ.fi.du/

//ˈpɛɾ.fi.du// adj

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

The verdict

“pérfido” is uncommon Portuguese (frequency #99,129 among 3,113 “P” headwords), classed as an adjective. The kind of spelling people second-guess.

#99,129
frequency rank, Portuguese
3,113
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - infiel, desleal, falso; que falta à palavra

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)

Where “pérfido” sits in Portuguese frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). pérfido lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

pérfido is uncommon Portuguese at frequency #99,129 among 3,113 “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

This word in other languages

perfidious(English)pérfido(Español)perfide(Français)

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.

Using “pérfido”

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

  • The one correct Portuguese spelling is P-É-R-F-I-D-O - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈpɛɾ.fi.du/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more Portuguese words and confusable pairs in the same reference. Portuguese words

Other uncommon Portuguese 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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list