unfeasible

British  

/ ʌnˈfiːzəbəl /

adjective

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

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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

It had also argued that splitting up the service would be technically unfeasible.

From Barron's ● Sep. 2, 2026

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

A government finance expert warned that while it might not be unfeasible to build the project it might require "difficult trade-offs" - such as cuts.

From BBC ● May 2, 2026

Other rescue strategies, like moving the animals elsewhere or fencing them off from predators, are unfeasible or unlikely to be effective at saving the caribou.

From Slate ● Apr. 28, 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