a posteriori

phrase

The verdict

“a posteriori” is outside the top-ranked Portuguese vocabulary, used as a phrase - the kind of word writers most often double-check.

Unranked
below top-frequency Portuguese
12
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - pelo que segue

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

Where “a posteriori” sits in Portuguese frequency

a posteriori falls outside the top-100,000 ranked Portuguese words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Spelling & Dictionary Insight

The Portuguese entry for a posteriori is 12 letters long, classified as a phrase. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "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

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.

Using “a posteriori”

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

  • The one correct Portuguese spelling is A- -P-O-S-T-E-R-I-O-R-I - every other letter order is a misspelling in standard orthography.
  • Browse more Portuguese words and confusable pairs in the same reference. Portuguese words
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