the condition of being unable to perform as a consequence of physical or mental unfitness
"reading disability"
"hearing impairment"
State of being disabled; deprivation or want of ability; absence of competent physical, intellectual, or moral power, means, fitness, and the like.
"His sudden disability left him unable to care for himself without assistance."
In plain English: A disability is a physical or mental condition that makes it harder for someone to do everyday tasks compared to others.
"The school provided ramps to ensure accessibility for students with mobility disabilities."
Usage: Use "disability" to refer to a physical, mental, or cognitive condition that limits a person's major life activities. Avoid using it as a verb or adjective, as those forms do not exist in standard English.
The word disability entered English around 1570 as a combination of the verb to disable and the suffix -ity. It originally described the state or condition of being disabled.