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Definition of lethality

lethality

/lɪˈθæləti/
le · thal · i · ty
Adverb:lethally
•
Plural:lethalities
•
Adjective:lethal
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lethality Lexical Profile

lethality Game Scores & Validity

• noun

1

The capacity to cause death or serious harm; the quality or degree of being deadly.

Example

"Epidemiologists closely monitored the new viral strain to determine whether its increased transmission rate corresponded with higher lethality."

Synonyms
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Antonyms
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• Rhymes for lethality

• Nearby Words

letaba
letdown
lethal
lethality
lethally
lethargic
lethargically

Word Origin & Etymology

Formed from the adjective 'lethal' and the noun-forming suffix '-ity'. 'Lethal' derives from Late Latin 'lethalis' (earlier 'letalis'), meaning 'deadly' or 'fatal', from Latin 'letum' ('death').

Cite this Entry

Wordmom. (2026). Definition of Lethality. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/lethality
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