This use means to make someone leave a group or place as a punishment. It is often used for schools, clubs, or teams. The person cannot come back.
The school will expel him for cheating.
They decided to expel the player from the team.
This use means to push or send air, gas, or liquid out of a place or object. It is often used with machines or living things that force something out.
The machine can expel hot air quickly.
Plants expel water through their leaves.
This meaning is about official orders that force someone to leave a place or country. It often happens for legal or security reasons.
The government will expel illegal immigrants.
They expelled him from the university after the trial.
This meaning relates to machines that push out gases, steam, or materials quickly and strongly. It is used in technology and mechanics.
The engine can expel hot gases fast.
This machine expels steam after heating.
This use is about pushing out feelings, thoughts, or ideas. It is often used in a figurative or mental sense, like clearing bad emotions.
He tried to expel all bad thoughts from his mind.
She expelled fear to feel brave.