His lack of education led to feelings of inferiority when he was around his more educated friends.
The inferiority she felt due to her socio-economic status made it difficult for her to make friends at her new school.
After losing several competitions, he began to feel a deep sense of inferiority that affected his performance in all areas of his life.
The new employee's inferiority complex made it hard for him to speak up in meetings and share his ideas with his colleagues.
She struggled to overcome her feelings of inferiority, which stemmed from her childhood experiences of being constantly belittled by her parents.

Inferiority (Noun)