faintness

(n) a feeling of faintness and of being ready to swoon
(n) the property of being without strength
- the faintness or potency of the feeling
(n) barely audible
(n) the trait of lacking boldness and courage
- faintness of heart and infirmity of purpose
faintheartedness,
(n) the quality of being dim or lacking contrast dimness,

faintheartedness dimness

stoutheartedness