adj
disastrous
dih-ZAH-struhs
adj
1
Causing great damage or harm; having the nature of a disaster.
"The company's disastrous decision led to massive layoffs."
"The trip ended in disastrous fashion when the car broke down."
How to Use Disastrous
Learner’s notesIn plain EnglishDescribes something that has gone, or will go, extremely badly.
Common pairings
disastrous consequences
disastrous decision
prove disastrous
Word Forms
more disastrous comparative, most disastrous superlative
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The company's _____ decision led to massive layoffs.
Etymology
From disaster + -ous, echoing French desastreux and ultimately Italian disastroso.