/ɪnˈfɜrməti/ – Noun
Definition: Sự yếu đuối hoặc tình trạng yếu đuối.
A more thorough explanation: 1. an imperfection or mistake that results in a particular transaction being invalid or incomplete
2. weakness caused by age or illness
Example: 1. Plaintiffs alleged that they discovered the infirmity of the Deed of Absolute Sale after payment was made.
2. He said all this results in infirmity and deaths, which provoke losses for institutions.