infeasible

Definitions

Not capable of being done or carried out easily or conveniently.

Impossible to achieve or complete successfully.

Examples

The engineers concluded that the proposed bridge design was technically infeasible due to the unstable soil conditions.

Completing the entire project by the end of the week is simply infeasible given our current staffing levels.

It is economically infeasible to renovate the old building when the cost of repairs exceeds the property's total value.

Synonyms

impractical unworkable impossible unattainable unachievable unrealistic nonviable

Antonyms

feasible practical workable possible attainable achievable realistic