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English definition of “expel”

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expel

verb [T] uk   /ɪkˈspel/ (-ll-) us  

expel verb [T] (PERSON)

to force someone to leave a school, organization, or country: The new government has expelled all foreign diplomats. My brother was expelled from school for bad behaviour.

expel verb [T] (AIR/LIQUID)

to force air or liquid out of something: She took a deep breath, then expelled the air in short blasts. When you breathe out, you expel air from your lungs.
(Definition of expel from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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