Phrase guide
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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
noun
A risk which could destroy or permanently damage an entity; a risk to one's existence.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A hypothetical future event which could cause human extinction or permanently and severely curtail humanity's potential.
Definition source: English Wiktionary via Wiktextract
Usage: countable, specifically, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
The "human extinction" sense was coined by philosopher and writer Nick Bostrom in 2002.
