Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun feebleness

2 senses of feebleness

Sense 1
infirmity, frailty, debility, feebleness, frailness, valetudinarianism -- (the state of being weak in health or body (especially from old age))
       => unfitness, softness -- (poor physical condition; being out of shape or out of condition (as from a life of ease and luxury))

Sense 2
feebleness, tenuity -- (the quality of lacking intensity or substance; "a shrill yet sweet tenuity of voice"- Nathaniel Hawthorne)
       => weakness -- (the property of lacking physical or mental strength; liability to failure under pressure or stress or strain; "his weakness increased as he became older"; "the weakness of the span was overlooked until it collapsed")