The Collaborative International Dictionary
Sickliness \Sick"li*ness\, n. The quality or state of being sickly.
Wiktionary
n. The state or characteristic of weakness, incapacity, or physical distress due to poor health, especially of a chronic nature.
Usage examples of "sickliness".
Then the vast sweetness of that violet night entered into his blood,--filled him with that awful joy, so near akin to sadness, which the sense of the Infinite brings,--when one feels the poetry of the Most Ancient and Most Excellent of Poets, and then is smitten at once with the contrast-thought of the sickliness and selfishness of Man,--of the blindness and brutality of cities, whereinto the divine blue light never purely comes, and the sanctification of the Silences never descends .
Among such strangenesses, her size and sickliness were apparently taken to be a glamor of their own.