unmysterious

adj

"unmysterious" is a 12-letter English headword indexed on PlainSpell.

The verdict

“unmysterious” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Not mysterious.

Corpus desk

Index EN-unmysterious · unmysterious · English

unmysterious · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "U" 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 unmysterious
PropertyValue
Headwordunmysterious
LanguageEnglish
Part of speechAdjective
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “unmysterious” in English

unmysterioussits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

unmysterious is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Not mysterious.".

We couldn't generate a plausible misspelling set for unmysterious, which points to an orthography that plays by predictable English rules. This entry stands alone in our confusable dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From un- + mysterious. The correct English form is unmysterious, spelled U-N-M-Y-S-T-E-R-I-O-U-S.

Definition

  1. 1
    Not mysterious.

Etymology

From un- + mysterious.

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 "unmysterious"?
"unmysterious" is spelled U-N-M-Y-S-T-E-R-I-O-U-S.
What does "unmysterious" mean?
As an adjective, "unmysterious" means: Not mysterious.
What is the origin of the word "unmysterious"?
From un- + mysterious. 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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list