Find Synonyms
deadliness Synonyms
Another word for deadliness
Choosing another word for deadliness depends on context, so the 10 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
• noun (Context 1)
The quality or state of being able or likely to cause death.
Usage Example
"Medical researchers studied the newly discovered strain of the virus to determine its contagiousness and lethality."
Strongest
lethality
Strong
fatality
virulence
destructiveness
perniciousness
Weak
malignancy
• noun (Context 2)
Extreme effectiveness, accuracy, or intensity in achieving a desired result.
Usage Example
"The striker was renowned throughout the league for his clinical effectiveness in front of the goal."
Strong
effectiveness
potency
precision
incisiveness
Opposites of deadliness
The opposite of deadliness shifts depending on context. Common opposites include:
harmlessness
ineffectiveness
safety
inaccuracy
innocuousness
feebleness
benignity
Cite this Entry
Wordmom. (2026). Synonyms for Deadliness. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/deadliness