- The illegitimate eviction or removal process, often seen among tenants sharing the same property
- A legal decision leading to the dismissal of a public official or the revocation of a business's public license
- The tenant filed a lawsuit against her roommate, accusing him of ouster from their shared apartment.
- Due to severe misconduct, the mayor faced an ouster from his position.
- The city's public utility company was threatened with ouster after failing to comply with safety regulations.