lethality
/liˈθælɪti/noun
lethality is spelled L-E-T-H-A-L-I-T-Y: 9 letters and 4 syllables. It appears about once in every 3 million words in written English, the 51,738th most frequent word form (wordfreq, 2021 data). As a noun, lethality means “The fact of something being lethal; the ability of something to kill” (English Wiktionary, September 2026). The plural of lethality is lethalities.
How many letters and syllables are in lethality?
| Letters | 9: L-E-T-H-A-L-I-T-Y |
|---|---|
| Syllables | 4 (from its American pronunciation) |
| In writing | about once in every 3 million words; the 51,738th 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 lethality?
Lethality appears about once in every 3 million words in written English, the 51,738th 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 lethality?
- /liˈθælɪti/
Lethality has 4 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)-AnotherFriendlyHuman-lethality.wav, Wikimedia Commons (author and licence on each file's page).
Forms of lethality
- lethalities plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does lethality mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The fact of something being lethal; the ability of something to kill.
- 2
The degree of lethal (mortal) danger that something (usually a disease or a weapon) presents; the magnitude of its power to kill organisms exposed to it; this property is indirectly measured by any of various proxy rates, including mortality rate, case fatality rate, or infection fatality rate (for diseases) or kill rate (for weapons, pesticides, or parasites).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Lethality in Spanish, French, German and Portuguese
In the sense rate of death:
| Language | Words |
|---|---|
| German | Sterblichkeit, Letalität |
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 lethality come from?
From lethal + -ity.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).