noun · 5 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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/ˈkætəˌklɪzm̩/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:K AE1 T AH0 K L IH2 S AH0 M
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A sudden, violent event.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A sudden and violent change in the earth's crust.
Definition source: English Wiktionary via Wiktextract
Topics: geography, geology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A great flood.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
an event resulting in great loss and misfortune
Definition source: Princeton WordNet 3.0
Examples
the whole city was affected by the irremediable calamity
Narrower terms: act of God, force majeure, vis major, inevitable accident, unavoidable casualty, apocalypse, famine, kiss of death, meltdown, plague, visitation, tidal wave, tsunami
5
noun
Meaning 5
a sudden violent change in the earth's surface
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: catastrophe
Antonyms: none provided
Broader terms: geological phenomenon
Narrower terms: nuclear winter
History
Etymology
From French cataclysme, from Latin cataclysmus, from Ancient Greek κατακλυσμός (kataklusmós, “deluge, flood”), from κατακλύζω (kataklúzō, “to dash over, flood, deluge, inundate”), from κατά (katá, “downwards, towards”) + κλύζω (klúzō, “to wash off, to wash away, to dash over”).
Across languages
Translations
44 source translations are retained for this English entry.