Inferiority (noun)

1. The state or feeling of not being as good, capable, or successful as others.
2. The state of being lower in rank, status, or quality.

Origin:

Inferiority comes from the latin word inferior meaning "lower" or "below".

Examples:

1. He struggled with feelings of inferiority whenever he was around his successful brother.
2. The team's inferiority in the league standings was clear after the last game.
3. She always felt a sense of inferiority when comparing herself to her classmates.
4. His inferiority complex made him feel less worthy than others.
5. The inferiority of their technology was a major problem for the company's growth.