[ fee-zuh-buh l ]
/ ˈfi zə bəl /


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

Nearby words

  1. fearsome,
  2. fearsomely,
  3. feasance,
  4. feasibility,
  5. feasibility study,
  6. feasibly,
  7. feast,
  8. feast day,
  9. feast of dedication,
  10. feast of fools

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


/ (ʌnˈfiːzəbəl) /


not able to be done or put into effect; impossible


/ (ˈfiːzəbəl) /


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

Word Origin and History for unfeasible
Online Etymology Dictionary, © 2010 Douglas Harper