non-regular

adj

"non-regular" is a 10-letter English headword indexed on PlainSpell.

The verdict

“non-regular” is outside the top-ranked English vocabulary, used as an adjective - the kind of word writers most often double-check.

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Alternative form of nonregular.

Key facts for non-regular
PropertyValue
Headwordnon-regular
LanguageEnglish
Part of speechAdjective
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “non-regular” sits in English frequency

non-regular falls outside the top-100,000 ranked English 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 English entry for non-regular is 11 letters long, classified as an adjective. 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: "Alternative form of nonregular.".

We couldn't generate a plausible misspelling set for non-regular, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From non- + regular. The correct English form is non-regular, spelled N-O-N---R-E-G-U-L-A-R.

Definition

  1. 1
    Alternative form of nonregular.

Etymology

From non- + regular.

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 "non-regular"?
"non-regular" is spelled N-O-N---R-E-G-U-L-A-R.
What does "non-regular" mean?
As an adjective, "non-regular" means: Alternative form of nonregular.
What is the origin of the word "non-regular"?
From non- + regular. See the full etymology section above for more details.
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 “non-regular”

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

  • The one correct English spelling is N-O-N---R-E-G-U-L-A-R - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English 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