adj ·3 syllables ·Rare ·Advanced level

Definitions

Adjective

1. 1
   superlative form of deadly: most deadly; Causing the greatest number of deaths

   "It was the deadliest plane crash since 1988."

2. 2
   superlative form of deadly: most deadly; Having the greatest likelihood of causing a death

   "The black mamba is one of the deadliest snakes."

Synonyms

All synonyms

lethaldeathlyfatalmurderouspestilentvenomous

Example

More examples

"It's the deadliest city in America."

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.