This is the 18302nd most frequent Russian word.
широкую
The Russian word "широкую" means "wide" or "broad" in English (feminine accusative singular form).
The word "широкую" describes the quality of the road, indicating that it is broad or spacious.
Она выбрала широкую дорогу для своей прогулки.
She chose a wide road for her walk.
Here, "широкую" metaphorically refers to the extensive scope of the campaign.
Мы организовали широкую кампанию по охране природы.
We organized a wide campaign for nature conservation.
"Широкую" describes the physical characteristic of the brush, indicating its width.