Standard Lemma guide

deadliest

adj · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • CMU ARPABET: D EH1 D L IY0 AH0 S T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

superlative form of deadly: most deadly

Causing the greatest number of deaths

Definition source: English Wiktionary via Wiktextract

Examples

  • It was the deadliest plane crash since 1988.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

superlative form of deadly: most deadly

Having the greatest likelihood of causing a death

Definition source: English Wiktionary via Wiktextract

Examples

  • The black mamba is one of the deadliest snakes.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Real reading context

deadliest in complete knowledge articles