inadequacy
This term describes a gap between what is available or possessed and what is required for success or stability. When applied to resources or systems, it suggests a failure of supply or quality that prevents a goal from being achieved. In a psychological context, it refers to an internal feeling of inferiority or incompetence. This sense of inadequacy is often chronic and tied to self-esteem, describing a perceived lack of personal worth or capability regardless of actual skill levels.
Meanings
The state or quality of being insufficient or not enough in quantity or quality to meet a particular need.
"The inadequacy of the current funding has led to a decline in public services."
A lack of ability, skill, or confidence to deal with a particular situation or task.
"He suffered from a deep sense of inadequacy when compared to his more successful siblings."