unsmooth

adj

By · According to Wiktionary data (CC BY-SA) ·

"unsmooth" is a 8-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 2, 2026) - Not smooth; rough.

Corpus desk

Index EN-unsmooth · unsmooth · English

unsmooth · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-3 3 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 unsmooth
PropertyValue
Headwordunsmooth
LanguageEnglish
Part of speechAdjective
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “unsmooth” sits in English frequency

unsmooth 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

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

Our edit-distance generator produced no likely misspellings for unsmooth, typically a sign the spelling maps closely to how the word sounds. We don't track a confusable pairing for this entry, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From un- + smooth. The correct English form is unsmooth, spelled U-N-S-M-O-O-T-H.

Definition

  1. 1
    Not smooth; rough.

Recorded use

Wiktionary examples

These source excerpts show how unsmooth appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. G. Fletcher How may weak mortal ever hope to file His unsmooth tongue, and his deprostrate style?
  2. In contrast, treatment with the uncleavable Alexa-labelled Ub-3A-G75A/G76A–CPP Tat resulted in an unsmooth and heterogeneous pattern of fluorescence in the cells, with intense staining of cytoplasmic components and nucleoli.

Etymology

From un- + smooth.

Antonyms

smooth

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 September 2, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "unsmooth"?
"unsmooth" is spelled U-N-S-M-O-O-T-H.
What does "unsmooth" mean?
As an adjective, "unsmooth" means: Not smooth; rough.
What is the origin of the word "unsmooth"?
From un- + smooth. 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