feasible

[ fee-zuh-buh l ]
/ ˈfi zə bəl /

adjective

capable of being done, effected, or accomplished: a feasible plan.
probable; likely: a feasible theory.
suitable: a road feasible for travel.

Origin of feasible

1425–75; late Middle English feseable, faisible < Anglo-French, Old French, equivalent to fes-, fais- (variant stem of faire < Latin facere to do) + -ible -ible
Related forms
Can be confusedfeasible viable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unfeasible

British Dictionary definitions for unfeasible (1 of 2)

unfeasible

/ (ʌnˈfiːzəbəl) /

adjective

not able to be done or put into effect; impossible

British Dictionary definitions for unfeasible (2 of 2)

feasible

/ (ˈfiːzəbəl) /

adjective

able to be done or put into effect; possible
likely; probablea feasible excuse
Derived Formsfeasibility or feasibleness, nounfeasibly, adverb

Word Origin for feasible

C15: from Anglo-French faisable, from faire to do, from Latin facere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012