Englishdebility
noun
his chronic debility made it hard to do even the basic things:
frailty, weakness, feebleness, enfeeblement, enervation, devitalization, lack of energy, lack of vitality, lassitude, exhaustion, weariness, tiredness, overtiredness, fatigue, prostration;
incapacity, impairment, indisposition, infirmity, illness, sickness, sickliness, decrepitude, malaise;
informal weediness;
Medicine asthenia.
debility Oxford Dictionary of English