unfeasible

British  

/ ʌnˈfiːzəbəl /

adjective

1. not able to be done or put into effect; impossible

---

Explanation

Something that's unfeasible just won't work, no matter what you try. You might decide after many attempts that fitting a sofa into the trunk of your car is unfeasible. Use the adjective unfeasible to describe things that are impossible. Your plans to travel around the world might turn out to be unfeasible if you haven't saved enough money. It's also unfeasible to get around many cities and towns without a car. The word's been around since the 1500's, a combination of the prefix un, or "not," and feasible, which means "possible" or "easy," from the Latin root facere, "do or make."

Example Sentences

See Examples For:

unfeasible

Meta called many of the requests technically unfeasible, and Protti testified that some had “high potential to grind all our global product development to a halt.”

From The Wall Street Journal ● Jul. 28, 2026

And while Montanans were finding it impossible to get onto the property ladder, others were finding it equally unfeasible to even still rent.

From BBC ● Jul. 18, 2026

The Chilean plan became unfeasible due to the high risk of collapse if they continued digging.

From Barron's ● Jul. 7, 2026

Others questioned why the San Diego utility believes the plan will work now when the Sunrise Powerlink was found to be environmentally unfeasible in 2008.

From Los Angeles Times ● May 17, 2026

That something happened when personal turmoil dropped by at the wayside shrine of the vast, violent, circling, driving, ridiculous, insane, unfeasible, public turmoil of a nation.

From "The God of Small Things" by Arundhati Roy