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[fee-zuh-buh l] /ˈfi zə bəl/
capable of being done, effected, or accomplished:
a feasible plan.
probable; likely:
a feasible theory.
a road feasible for travel.
Origin of feasible
late Middle English
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
feasibility, feasibleness, noun
feasibly, adverb
nonfeasibility, noun
nonfeasible, adjective
nonfeasibleness, noun
nonfeasibly, adverb
unfeasibility, noun
unfeasible, adjective
unfeasibleness, noun
unfeasibly, adverb
Can be confused
feasible, viable. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for feasible


able to be done or put into effect; possible
likely; probable: a feasible excuse
Derived Forms
feasibility, 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
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for feasible

"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
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feasible in Technology

A description of an algorithm that takes polynomial time (that is, for a problem set of size N, the resources required to solve the problem can be expressed as some polynomial involving N).
Problems that are "feasible" are said to be "in P" where P is polynomial time. Problems that are "possible" but not "feasible" are said to be "in NP".
(2001-04-12) systems analysis
A description of a project or system for which a feasibility study gives a positive answer.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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