A state of being fragile or lacking strength, particularly regarding physical ability or determination, making one susceptible to challenges or difficulties.

The condition of being unreliable or unsound, characterized by a lack of solid reasoning or evidence, leading to doubts about credibility.

An impression of vulnerability or lack of resilience, where both mental and physical faculties are easily overwhelmed by stress or adversity.

The quality of being unsatisfactory or insufficient, often referring to arguments or support that do not hold up under scrutiny.