unbeautiful

adj

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

The verdict

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

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Not beautiful; ugly or inelegant.

Corpus desk

Index EN-unbeautiful · unbeautiful · English

unbeautiful · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 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 unbeautiful
PropertyValue
Headwordunbeautiful
LanguageEnglish
Part of speechAdjective
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “unbeautiful” in English

unbeautifulsits 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

unbeautiful is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Not beautiful; ugly or inelegant.".

No misspelling variants are generated for unbeautiful in our index, a sign its spelling follows regular English conventions. No close-neighbour confusable shows up for this headword in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From Middle English unbewtefull; equivalent to un- + beautiful. The correct English form is unbeautiful, spelled U-N-B-E-A-U-T-I-F-U-L.

Definition

  1. 1
    Not beautiful; ugly or inelegant.

Recorded use

Wiktionary examples

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

  1. From here, over the low summit at Clay Cross and down the Erewash Valley, was one long and unbeautiful replica of the road from Leeds.
  2. The movie looks like battlefield documentary, grainy and (purposely) unbeautiful.

Etymology

From Middle English unbewtefull; equivalent to un- + beautiful.

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 "unbeautiful"?
"unbeautiful" is spelled U-N-B-E-A-U-T-I-F-U-L.
What does "unbeautiful" mean?
As an adjective, "unbeautiful" means: Not beautiful; ugly or inelegant.
What is the origin of the word "unbeautiful"?
From Middle English unbewtefull; equivalent to un- + beautiful. 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