widen
/ˈwaɪdən/
To become wide or wider.
His eyes widened as her negligee fell to the floor.
To make wide or wider.
To let out clothes to a larger size.
She widened his trousers for him.
To broaden or extend in scope or range.
The police widened their enquiries.
To convert to a data type that can hold a larger number of distinct values.
反義詞