debilitating
adj.adj. making someone very weak or making it hard for them to live a normal life. It is often used to describe a serious illness or a very difficult problem.
adj. causing a loss of energy or strength; making someone or something weak or infirm. Often used to describe chronic medical conditions or systemic economic issues.
The heat today is absolutely debilitating.
She suffered from a debilitating back injury that prevented her from working for several months.
The nation struggled to recover as the debilitating effects of the financial crisis continued to erode public trust in the banking system for over a decade.
Often used predicatively after linking verbs like 'be' or 'become', or attributively before nouns like 'illness', 'condition', or 'poverty'.