thoroughness
/ˈθʌɹoʊnəs/noun
thoroughness is spelled T-H-O-R-O-U-G-H-N-E-S-S: 12 letters and 3 syllables. It appears about once in every 3 million words in written English, the 55,433rd most frequent word form (wordfreq, 2021 data). As a noun, thoroughness means “The state of being thorough” (English Wiktionary, September 2026). The plural of thoroughness is thoroughnesses.
How many letters and syllables are in thoroughness?
| Letters | 12: T-H-O-R-O-U-G-H-N-E-S-S |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | about once in every 3 million words; the 55,433rd most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is thoroughness?
Thoroughness appears about once in every 3 million words in written English, the 55,433rd 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 thoroughness?
- UK /ˈθʌɹənəs/
- UK /ˈθʌɹəʊnəs/
- US /ˈθʌɹoʊnəs/
Thoroughness has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-thoroughness.wav, Wikimedia Commons (author and licence on each file's page).
Forms of thoroughness
- thoroughnesses plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does thoroughness mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The state of being thorough.
- 2
Attention to detail.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Thoroughness in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | rigueur |
| German | Gründlichkeit , Genauigkeit |
| Portuguese | rigor , detalhismo, minuciosidade |
| Spanish | meticulosidad, cabalidad , detallismo, minuciosidad, detenimiento |
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 thoroughness come from?
From thorough + -ness.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).