unviable

Definitions

Not capable of working successfully or surviving.

Not feasible or practicable under existing conditions.

Examples

The startup's business model proved unviable due to rising operational costs.

After reviewing the budget, the committee decided that the proposed construction project was unviable.

The medical team concluded that the patient's condition made the surgery medically unviable.

Synonyms

impracticable unfeasible impossible unworkable hopeless unsustainable futile

Antonyms

viable feasible practicable workable sustainable attainable realistic