non-rational
"non-rational" is a 11-letter English headword indexed on PlainSpell.
The verdict
“non-rational” 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
- 12
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Contrary to reason; lacking an appropriate or sufficient reason; irrational.
| Property | Value |
|---|---|
| Headword | non-rational |
| Language | English |
| Part of speech | Adjective |
| Letters | 12 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “non-rational” sits in English frequency
Spelling & Dictionary Insight
The English entry for non-rational is 12 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. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.
The misspelling generator found no plausible variants for non-rational, typically a sign the spelling maps closely to how the word sounds. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From non- + rational. The correct English form is non-rational, spelled N-O-N---R-A-T-I-O-N-A-L.
Definition
- 1Contrary to reason; lacking an appropriate or sufficient reason; irrational.
- 2Lacking the ability to reason.
- 3Not within the domain of what can be understood or analyzed by reason; outside the competence of the rules of reason.
- 4Not based on one's own interests; inconsistent with utility maximization.
Etymology
From non- + rational.
Synonyms
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-rational"?
What does "non-rational" mean?
What is the origin of the word "non-rational"?
Is PlainSpell free to use?
Using “non-rational”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is N-O-N---R-A-T-I-O-N-A-L - 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.