Question 1

What does "widen up" mean?

Accepted Answer

To become physically wider or to make something physically wider.

Question 2

How do you use "widen up" in a sentence?

Accepted Answer

They plan to widen up the main road to reduce traffic congestion.

Question 3

Is "widen up" formal or informal?

Accepted Answer

"widen up" is register-neutral — appropriate in both casual and formal contexts. Less common than 'widen' alone or 'broaden out'. Can be used both physically (roads, gaps) and figuratively (perspectives, options). The 'up' particle adds emphasis on completion or increase.

widen up

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