unpleasantness

/ʌnˈplɛz.ənt.nəs/

//ʌnˈplɛz.ənt.nəs// noun

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

"unpleasantness" is a 14-letter English headword indexed on PlainSpell.

The verdict

“unpleasantness” is uncommon English (frequency #52,072 among 23,789 “U” headwords), classed as a noun. The kind of spelling people second-guess.

#52,072
frequency rank, English
23,789
“U” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The property of being unpleasant or disagreeable.

Key facts for unpleasantness
PropertyValue
Headwordunpleasantness
LanguageEnglish
Part of speechNoun
IPA/ʌnˈplɛz.ənt.nəs/
Letters14
Frequency rank#52,072
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “unpleasantness” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). unpleasantness lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

unpleasantness is uncommon English at frequency #52,072 among 23,789 “U” headwords, classed as anoun, transcribed /ʌnˈplɛz.ənt.nəs/. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for unpleasantness in our index, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From unpleasant + -ness. The correct English form is unpleasantness, spelled U-N-P-L-E-A-S-A-N-T-N-E-S-S.

Definition

  1. 1
    The property of being unpleasant or disagreeable.
  2. 2
    An unpleasant behaviour, occurrence, etc.

Etymology

From unpleasant + -ness.

Antonyms

pleasantness

This word in other languages

Unannehmlichkeit(Deutsch)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "unpleasantness"?
"unpleasantness" is spelled U-N-P-L-E-A-S-A-N-T-N-E-S-S. The IPA pronunciation is /ʌnˈplɛz.ənt.nəs/.
What does "unpleasantness" mean?
As a noun, "unpleasantness" means: The property of being unpleasant or disagreeable.
How do you pronounce "unpleasantness"?
The IPA (International Phonetic Alphabet) transcription for "unpleasantness" is /ʌnˈplɛz.ənt.nəs/. 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 "unpleasantness"?
From unpleasant + -ness. 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.

Using “unpleasantness”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is U-N-P-L-E-A-S-A-N-T-N-E-S-S - every other letter order is a misspelling in standard orthography.
  • Say it as /ʌnˈplɛz.ənt.nəs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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 FrequencyWords open word-frequency list