Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun debility
1 sense of debility
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))