unfeasible

UK/ʌnˈfiː.zə.bəl/US/ʌnˈfi.zə.bəl/

adjectiveC2Rare in speech; mostly a word you read · #15,236 of 15,258leans written

Unfeasible means not able to be done in practice. An unfeasible timetable.

It is about practicality rather than possibility, so something unfeasible could be done with unlimited money. Infeasible is the commoner form in technical writing and means the same.

Definitions of unfeasible

1adjectiveunfeasibleNot able to be done in practice.C2
“The schedule was unfeasible and everybody signed it anyway.”

unfeasible is a quality.

Where it comes from

Old French
faisable — doable
Latin
facere
Anglo-Norman
fesable
English
feasible
English, today
unfeasible

Built from

faire · Old French — to do

From un- + feasible. feasible comes from Anglo-Norman fesable, from Latin facere, Old French faisable (“doable”), from faire (“to do”) + -able.

Etymology from Wiktionary, CC BY-SA

Practise this word

unfeasible in the wild

Some climbers can glissade in a standing-up position (also called 'boot-skiing'), which has a greater risk and is unfeasible for longer slides.
Glissade (climbing)
Avalanche-prone valleys often make a surface station unfeasible as well.
Underground power station
The song extols the virtues of herrings, with each verse listing in turn the parts of a herring's body and suggesting an unfeasible use for it.
The Herring Song
At times during the experiment, the subject was asked to move the phantom limb to a location that was obstructed or otherwise unfeasible.
Supernumerary phantom limb
Tested in late 1954, the project was found to be unfeasible from the standpoint of accuracy, and the project was terminated the following year.
WS-124A Flying Cloud

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From Wikipedia, CC BY-SA 4.0. These sentences were written by other people about their own subjects; they are here to show the word at work, not as anybody’s opinion.

Related words

the faire family

affair benefit

unfeasible — used about once every 159,543 pages · #15,236 · point at the bar for the others

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