Synonyms Word Origin See more synonyms for feasible on Thesaurus.com 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,
(variant stem of
to do) +
-ible -ible Related forms fea·si·bil·i·ty, fea·si·ble·ness, noun fea·si·bly, adverb non·fea·si·bil·i·ty, noun non·fea·si·ble, adjective non·fea·si·ble·ness, noun non·fea·si·bly, adverb un·fea·si·bil·i·ty, noun un·fea·si·ble, adjective un·fea·si·ble·ness, noun un·fea·si·bly, adverb Can be confused feasible viable
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for unfeasibly able to be done or put into effect; possible likely; probable a feasible excuse Derived Forms feasibility or feasibleness, noun feasibly, adverb Word Origin
C15: from Anglo-French
faisable, from faire to do, from Latin facere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for unfeasibly feasible adj.
"capable of being done, accomplished or carried out," mid-15c., from Anglo-French
faisible, from Old French faisable "possible, easy, convenient," from fais-, stem of faire "do, make," from Latin facere "do, perform" (see factitious). Fowler recommends this word only for those "who feel that the use of an ordinary word for an ordinary notion does not do justice to their vocabulary or sufficiently exhibit their cultivation."
Online Etymology Dictionary, © 2010 Douglas Harper