disability

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. The condition of being disabled; incapacity.
2. n. The period of such a condition: never received a penny during her disability.
3. n. A disadvantage or deficiency, especially a physical or mental impairment that interferes with or prevents normal achievement in a particular area.
4. n. Something that hinders or incapacitates.
5. n. Law A legal incapacity or disqualification.

Century Dictionary and Cyclopedia

1. n. Want of competent power, strength, or physical or mental ability: weakness; incapacity; impotence: as, disability arising from infirmity; a blind person labors under great disability.
2. n. Specifically Want of competent means or instruments.
3. n. Want of legal capacity or qualification; legal incapacity; incapacity to do an act with legal effect.
4. n. Synonyms Disability. Inability, incompetence, incapacity, disqualification, unfitness. Disability implies deprivation or loss of power; inability indicates rather inherent want of power. One declines an office from inability to discharge its duties, but is not elected to it because of some external disability disqualifying him for being chosen.

Wiktionary

1. n. State of being disabled; deprivation or want of ability; absence of competent physical, intellectual, or moral power, means, fitness, and the like.
2. n. Want of legal qualification to do a thing; legal incapacity or incompetency.
3. n. uncountable, informal Regular payments received by a disabled person, usually from the state

GNU Webster's 1913

1. n. State of being disabled; deprivation or want of ability; absence of competent physical, intellectual, or moral power, means, fitness, and the like.
2. n. Want of legal qualification to do a thing; legal incapacity or incompetency.

WordNet 3.0

1. n. the condition of being unable to perform as a consequence of physical or mental unfitness