adj
unsustainable
adj
1
Not able to be kept up or maintained over time, especially without causing harm.
"The company's spending was unsustainable and it went bankrupt within a year."
"Overfishing has pushed the industry toward unsustainable practices."
How to Use Unsustainable
Learner’s notesIn plain EnglishCan't continue like this without something breaking down — often used about the environment, finances, or workload.
Common pairings
unsustainable growth
unsustainable debt
environmentally unsustainable
Word Forms
more unsustainable comparative, unsustainables plural, most unsustainable superlative
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The company's spending was _____ and it went bankrupt within a year.