unreasonableness
noun
unreasonableness is spelled U-N-R-E-A-S-O-N-A-B-L-E-N-E-S-S: 16 letters. It appears about once in every 23 million words in written English, the 145,125th most frequent word form (wordfreq, 2021 data). As a noun, unreasonableness means “The state of being unreasonable” (English Wiktionary, September 2026). The plural of unreasonableness is unreasonablenesses.
How many letters and syllables are in unreasonableness?
| Letters | 16: U-N-R-E-A-S-O-N-A-B-L-E-N-E-S-S |
|---|---|
| In writing | about once in every 23 million words; the 145,125th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is unreasonableness?
Unreasonableness appears about once in every 23 million words in written English, the 145,125th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce unreasonableness?
- US
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-unreasonableness.wav, Wikimedia Commons (author and licence on each file's page).
Forms of unreasonableness
- unreasonablenesses plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does unreasonableness mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The state of being unreasonable.
- 2
An unreasonable act.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Unreasonableness in Spanish, French, German and Portuguese
In the sense state of being unreasonable:
| Language | Words |
|---|---|
| German | Unvernünftigkeit, Unvernunft |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does unreasonableness come from?
From unreasonable + -ness, after reasonableness.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).