Also found in: Thesaurus.


a. Lacking the necessary ability, capacity, or power: incapable of carrying a tune; incapable of love.
b. Unable to perform adequately; incompetent: an incapable administrator.
2. Not susceptible to action or treatment: a unique feat, incapable of duplication.
3. Law
a. Not meeting the physical and mental requirements imposed by law for the performance of a particular task.
b. Not meeting the requirements necessary for proper legal functioning: a contract provision incapable of being enforced.

in·ca′pa·bil′i·ty, in·ca′pa·ble·ness n.
in·ca′pa·bly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.incapableness - lack of potential for development
inaptitude - a lack of aptitude
2.incapableness - the quality of not being capable -- physically or intellectually or legally
inability, unfitness - lacking the power to perform
incapacity - lack of physical or natural qualifications
capability, capableness - the quality of being capable -- physically or intellectually or legally; "he worked to the limits of his capability"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
As the master overpowered the littleness and incapableness of the performers and made them conductors of his electricity, so it was easy to observe what efforts nature was making, through so many hoarse, wooden, and imperfect persons, to produce beautiful voices, fluid and soul- guided men and women.
Macedonia is also hampered due to the chauvinism of all Balkan nations and due to the frightening disregard the great powers demonstrate but most of all due to the incapableness of Macedonian politicians to act properly and work for the interests of the Macedonian citizens.