unreason
"unreason" is a 8-letter English headword indexed on PlainSpell.
The verdict
“unreason” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Lack of reason or rationality; unreasonableness; irrationality.
| Property | Value |
|---|---|
| Headword | unreason |
| Language | English |
| Part of speech | Noun |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “unreason” sits in English frequency
Spelling & Dictionary Insight
The English entry for unreason is 8 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
We couldn't generate a plausible misspelling set for unreason, suggesting the orthography follows predictable English patterns. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From Middle English unreson; equivalent to un- + reason. The correct English form is unreason, spelled U-N-R-E-A-S-O-N.
Definition
- 1Lack of reason or rationality; unreasonableness; irrationality.
- 2Nonsense; folly; absurdity.
Etymology
From Middle English unreson; equivalent to un- + reason.
This word in other languages
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
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Using “unreason”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is U-N-R-E-A-S-O-N - 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.