This is the 5983rd most frequent Russian word.
сильных
"Strong" (genitive or accusative plural form).
Here, 'сильных' describes 'людей' (people), functioning as an adjective modifying the plural noun to convey the quality of being strong in character or capability.
У сильных людей есть внутренняя сила.
Strong people have inner strength.
In this sentence, 'сильных' modifies 'ветров' (winds), indicating a distinguishing feature of being intense or powerful, serving as an attributive adjective for the plural noun.
Сильных ветров сегодня не ожидается.
Strong winds are not expected today.
Here, 'сильных' is used to describe 'эмоций' (emotions), acting as an adjective to highlight the characteristic of being intense or powerful.