noun
the quality of being deadly (Freq. 1)
• Syn: ↑deadliness
• Derivationally related forms: ↑lethal, ↑deadly (for: ↑deadliness)
• Hypernyms: ↑unwholesomeness, ↑morbidness, ↑morbidity
• Hyponyms: ↑fatality
Useful english dictionary. 2012.