a posteriori

phrase

The verdict

“a posteriori” is uncommon Portuguese (outside the top frequency list), classed as a phrase. The kind of spelling people second-guess.

Unranked
below top-frequency Portuguese
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - pelo que segue

Corpus desk

Index PT-a-posteriori · a posteriori · Portuguese

a posteriori · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" thin
  • PHOTO-UNK Peer pending

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.

Key facts for a posteriori
PropertyValue
Headworda posteriori
LanguagePortuguese
Part of speechPhrase
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cauda longa: rank de “a posteriori” em português

a posteriorifica fora das 100.000 palavras portuguesas mais frequentes, na cauda longa de vocabulário técnico, arcaico ou raro, onde a dúvida ortográfica aperta.

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

Rare enough to double-check

a posteriori is uncommon Portuguese outside the top frequency list, classed as aphrase. Rarity is why readers land here mid-draft. Gloss: "pelo que segue".

Zero misspellings are on record for a posteriori in our index, a sign its spelling follows regular Portuguese conventions. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

This entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct Portuguese form is a posteriori, spelled A- -P-O-S-T-E-R-I-O-R-I.

Definition

  1. 1
    pelo que segue

Recorded use

Wiktionary example

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

  1. Raciocionar a posteriori.

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 "a posteriori"?
"a posteriori" is spelled A- -P-O-S-T-E-R-I-O-R-I.
What does "a posteriori" mean?
As a phrase, "a posteriori" means: pelo que segue
What language does "a posteriori" come from?
"a posteriori" is a Portuguese 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.

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

Source: FrequencyWords open word-frequency list