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to swell up
01
to get bigger abnormally, often due to inflammation or fluid accumulation
Grammatical Information
Composition
phrasal
Action verb
Regular
Inseparable
Particle
up
Base verb
swell
Present tense
swell up
3rd person singular
swells up
Present participle
swelling up
Past simple
swelled up
Past participle
swollen up
Examples
An infection in the gums can make them swell up and become painful.
