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Definitions

disaster

[dih-zas-ter, -zah-ster] / dɪˈzæs tər, -ˈzɑ stər /
NOUN
accident, trouble
Synonyms
STRONGEST
calamity catastrophe collapse crash debacle defeat emergency failure fiasco flood harm hazard holocaust mishap setback tragedy woe
STRONG
adversity affliction bale bane blight blow bust casualty cataclysm collision depression exigency fall flop grief misadventure mischance misfortune reverse rock rough ruin ruination stroke undoing upset washout
WEAK
act of God bad luck bad news bad thing fell stroke hard luck hot water ill luck the worst
Antonyms
STRONGEST
achievement advantage attainment benefit blessing boon good fortune good luck happiness joy miracle success victory win wonder
STRONG
aid building creation encouragement fortune health help prosperity triumph

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Cliff Kuang and Robert Fabricant open their book User Friendly with the cautionary tale of the Three Mile Island nuclear disaster.

From Slate • Apr. 4, 2026

Germany phased out nuclear power following the 2011 Fukushima nuclear disaster in Japan.

From BBC • Apr. 3, 2026

Thailand's government held talks this week on the haze, and some districts in Chiang Mai have issued disaster declarations to help speed up financial support.

From Barron's • Apr. 3, 2026

It noted the fires were the third-worst natural disaster in American history in terms of insured losses, at $40 billion.

From Los Angeles Times • Apr. 3, 2026

It had been nothing short of a disaster.

From "Night Owls" by A.R. Vishny

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.