seriousness
se·ri·ous·ness/ˈsɪɹiəsnəs/noun
seriousness is spelled S-E-R-I-O-U-S-N-E-S-S: 11 letters and 4 syllables (se·ri·ous·ness). It appears 3.6 times per million words in written English, the 13,695th most frequent word form (wordfreq, 2021 data). As a noun, seriousness means “The state or quality of being serious” (English Wiktionary, September 2026). The plural of seriousness is seriousnesses.
How many letters and syllables are in seriousness?
| Letters | 11: S-E-R-I-O-U-S-N-E-S-S |
|---|---|
| Syllables | 4: se·ri·ous·ness |
| In writing | 3.6 times per million words; the 13,695th 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 seriousness?
Seriousness appears 3.6 times per million words in written English, the 13,695th 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 seriousness?
- US /ˈsɪɹiəsnəs/
- UK /ˈsɪəɹiəsnəs/
Seriousness has 4 syllables, split se·ri·ous·ness in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-seriousness.wav, Wikimedia Commons (author and licence on each file's page).
Forms of seriousness
- seriousnesses plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does seriousness mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The state or quality of being serious.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Seriousness in Spanish, French, German and Portuguese
In the sense state of being serious:
| Language | Words |
|---|---|
| French | sériosité, gravité |
| German | Ernsthaftigkeit |
| Portuguese | seriedade, gravidade |
| Spanish | seriedad |
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.