Definitions

1. adjective

weak and fragile in body or constitution; liable to break or give way easily

“She struggled to walk due to her frail legs after the accident.”

2. noun

a fragile or weak person or thing

“The frail old man needed assistance crossing the street.”

3. verb

to become weak or fragile in body or constitution

“Years of illness had frail him to the point of needing a wheelchair.”