The project's growth was unsustained after the initial investment, causing the team to reassess their strategy.

The report highlighted several unsustainabilities in the city's water management that policymakers could no longer ignore.

The company expanded unsustainably, relying on excessive debt and short-term profits that eventually led to its collapse.

The committee released a study warning that the unsustainability of current water usage would jeopardize agriculture in the region.

The drought proved unsustaining for the once-thriving ecosystem.

The company's unsustainable growth relied heavily on short-term loans and cost-cutting measures.