Meanings
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1
noun
An adult, especially as spoken about by or to children.
Ask a grown-up to help you cross the road.
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2
adj
Fully developed; adult.
Her grown-up children all live abroad now.
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3
adj
Behaving in a sensible, mature way.
It was very grown-up of him to apologise first.
Thesaurus
Synonyms
3
adj
· behaving in a sensible,...
mature
Word family
Forms
grown-ups