The phrase "a debility" is correct and usable in written English.
It can be used to refer to a physical or mental weakness or impairment, often in a medical or psychological context.
Example: "The patient was diagnosed with a debility that affected her mobility and overall strength."
Alternatives: "a weakness" or "an impairment".
All my life I have thought of shyness as a debility, an inadequacy, an absence.
Over the past years, Oliver revealed a part of his life that was once considered a debility and disorder — his sexual orientation.
The difficulty of graphic novels limits their potential audience, in contrast to the blissfully easeful, still all-conquering movies, but that is not a debility; rather, it gives them the opalescent sheen of avant-gardism.
"If you're going to be a member of the Jet Set and fly off to Katmandu for coffee with King Mahendra," wrote Horace Sutton in the Los Angeles Times, "you can count on contracting Jet Lag, a debility not unakin to a hangover.
It might be the first signal of a debility that will become entrenched - or it may be nothing.
The first clinical description was provided by the English physician Michael Underwood in 1789, where he refers to polio as "a debility of the lower extremities".
(Zero blood pressure is a serious debility).
An Erb's Engram is a common debility that develops in recovering children with Erb's palsy.
In the 1770s, after the onset of a "nervous debility" that he would henceforth claim prevented him from serious philosophical work, Mendelssohn began a translation of the Pentatuech and Psalms into modern German (but printed in Hebrew characters) that he hoped would preserve the Jewish religion while simultaneously facilitating the assimilation of Jews into German culture and society.
"The first sign of impending death is a general debility which is followed by general weakness and inability to stand.
A,,5 Irving Sadoff suggests, not all doctors care to write letters affirming unfitness to serve, even in the presence of an appropriate debility.
