How to say "firmly, tightly, soundly" in Russian?

[Krepko]

"firmly, tightly, soundly" is Крепко in Russian.

Крепко means "firmly, tightly, soundly" in English.

Word #3417 of 6,000 by frequency in Russian.

Ребёнок крепко спал после долгой прогулки в парке.

The child slept soundly after a long walk in the park.

• Ссылка, link, exile, reference
• Лампа, Lamp
• Рекламный, advertising, promotional
• Украшение, decoration, ornament, jewelry
• Сохранение, preservation, saving
• Восьмой, eighth
• Корпорация, corporation
• Печатать, To print