non sequitur

/ˌnɒn ˈsɛk.wɪ.tə/

//ˌnɒn ˈsɛk.wɪ.tə// noun

"non-sequitur" is a 11-letter English headword indexed on PlainSpell.

The verdict

“non sequitur” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any abrupt and inexplicable transition or occurrence.

Corpus desk

Index EN-non-sequitur · non sequitur · English

non sequitur · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "N" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for non sequitur
PropertyValue
Headwordnon sequitur
LanguageEnglish
Part of speechNoun
IPA/ˌnɒn ˈsɛk.wɪ.tə/
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “non sequitur” sits in English frequency

non sequitur 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.

Rare enough to double-check

non sequitur is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌnɒn ˈsɛk.wɪ.tə/. Rarity is why readers land here mid-draft. 4 senses are on record.

No generated misspelling entries exist for non sequitur in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Learned borrowing from Latin nōn sequitur (literally “it does not follow”). The correct English form is non sequitur, spelled N-O-N- -S-E-Q-U-I-T-U-R.

Definition

  1. 1
    Any abrupt and inexplicable transition or occurrence.
  2. 2
    Any invalid argument in which the conclusion cannot be logically deduced from the premises.
  3. 3
    A statement that does not logically follow a statement that preceded it.
  4. 4
    A kind of pun that uses a change of word, subject, or meaning to make a joke of the listener’s expectation.

Etymology

Learned borrowing from Latin nōn sequitur (literally “it does not follow”).

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "non sequitur"?
"non sequitur" is spelled N-O-N- -S-E-Q-U-I-T-U-R. The IPA pronunciation is /ˌnɒn ˈsɛk.wɪ.tə/.
What does "non sequitur" mean?
As a noun, "non sequitur" means: Any abrupt and inexplicable transition or occurrence.
How do you pronounce "non sequitur"?
The IPA (International Phonetic Alphabet) transcription for "non sequitur" is /ˌnɒn ˈsɛk.wɪ.tə/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "non sequitur"?
Learned borrowing from Latin nōn sequitur (literally “it does not follow”). 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.
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