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unviable

British  
/ ʌnˈvaɪəbəl /

adjective

  1. not capable of succeeding, esp financially

    the pit had proved economically unviable

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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They added: "Following further investigation into the condition of the structure ahead of planned repairs going ahead, significant structural issues were identified, indicating that the repairs required would be substantial and economically unviable."

From BBC

That statistical change was made possible by high oil prices at the time, which allowed previously unviable projects to look feasible.

From BBC

But critics of the BNG principle have complained that the policy can increase costs and cause delays in the planning process, particularly for smaller developers, making some projects unviable.

From BBC

Axe Valley Wildlife Park closed its doors in October after saying it had become "financially unviable" to continue operating.

From BBC

Leaders said falling pupil numbers and the economic situation have made it financially unviable to keep the site open.

From BBC