widen
verbUK /ˈwaɪ.dən/
US /ˈwaɪ.dən/
To make something bigger from side to side.
They widened the road so more cars could fit.
OTHER MEANINGS
2. To become larger in distance or range.
The gap between the two teams widened quickly.
3. To make something include more people or things.
The school widened its search for a new teacher.
4. To open something wider, like your eyes.
She widened her eyes in surprise.