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to plump up
[phrase form: plump]
01
to make something fuller or fluffier by shaking or adjusting it
Grammatical Information
action verb
regular
separable
present tense
plump up
3rd person singular
plumps up
past simple
plumped up
past participle
plumped up
Examples
She decided to plump the pillow up before guests arrived.
02
to gain weight or become fuller in physical appearance
Examples
He has plumped up a bit since we last met; he must be eating well.
