1. forcing someone to leave a place, especially a school or organization, as punishment
Usage: present participle of expel
2. forcing something out from inside the body or a container
Usage: present participle of expel

Examples

• The school is expelling three students for cheating on the exam.
• The principal announced they were expelling anyone caught with weapons.
• The whale was expelling water through its blowhole.
• Her body was expelling the toxins naturally.
• The volcano began expelling ash and smoke into the atmosphere.
• The committee is expelling members who violated the rules.
• The machine works by expelling hot air through vents.