unfeasible

Cannot be done

Unfeasible means not capable of being accomplished or carried out successfully.

A plan may be unfeasible due to cost, time, or practical constraints: The project was technically unfeasible with current technology.

The word is interchangeable with infeasible, though unfeasible is slightly more common in everyday speech.

impossible

impossibility

State of being unachievable

unattainable · insurmountable · inconceivable · hopeless · unworkable · nonviable · unviable · unfulfillable · unwinnable · uncompletable

impractical

unworkable

Impossible to execute

unmanageable · ineffective · unsuitable · inconvenient · ill-conceived · misguided · shortsighted · imprudent · unadvisable · unsound

unrealistic

improbable

Not likely true

utopian · idealistic · wishful · delusional · illusory · chimerical · fantasy · daydream · overambitious · naive

Categories
Opposites
practicality

unfeasiblefeasible

Capable of being done

doable · practical · practicable · workable · viable

possibility

unfeasiblepossible

Able to occur

attainable · achievable · realizable · accomplishable · within reach

Family

unfeasibility

Familiarity
Top 100,000
Profile
Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G