irregular

adj

The verdict

“irregular” is a regularly-used Portuguese word, ranked #9,206 in Portuguese word frequency and used as an adjective.

#9,206
frequency rank, Portuguese
9
letters
11
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - que não tem regularidade, quebrando uma série, um padrão

Key facts for irregular
PropertyValue
Headwordirregular
LanguagePortuguese
Part of speechAdjective
Letters9
Frequency rank#9,206
Misspellings tracked11
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “irregular” 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). irregular lands here:

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

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

Spelling & Dictionary Insight

The Portuguese entry for irregular is 9 letters long, classified as an adjective. Corpus data places it at rank #9,206 in overall Portuguese word frequency, indicating it appears regularly in written and spoken text. The dominant gloss from Wiktionary reads: "que não tem regularidade, quebrando uma série, um padrão".

Our generated misspelling index lists 11 likely wrong-spelling variants for irregular, with forms such as "iregular", "irergular", and "irreggular". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This entry carries no recorded etymology, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct Portuguese form is irregular, spelled I-R-R-E-G-U-L-A-R.

Definition

  1. 1
    que não tem regularidade, quebrando uma série, um padrão

Synonyms

anormalatípicodesregularincomumvariável

Antonyms

This word in other languages

Common misspellings

Also misspelled as: iregular,irergular,irreggular,irregluar,irregualr,irregularr,irregullar,irregulra,irreuglar,irrgeular,riregular

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of irregular - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

iregular1irergular2irreggular1irregluar2irregualr2irregularr1irregullar1irregulra2
Edit distance from "irregular"

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 "irregular"?
"irregular" is spelled I-R-R-E-G-U-L-A-R.
What does "irregular" mean?
As an adjective, "irregular" means: que não tem regularidade, quebrando uma série, um padrão
What are common misspellings of "irregular"?
Common misspellings include "iregular", "irergular", "irreggular", "irregluar", "irregualr". The correct spelling is "irregular".
What language does "irregular" come from?
"irregular" 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 “irregular”

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

  • The one correct Portuguese spelling is I-R-R-E-G-U-L-A-R - 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