This is the 1115th most frequent Russian word.
тяжелой
"Тяжелой" means "heavy" or "difficult" in English.
Adjective in its feminine singular form, describing 'сумка'.
Эта сумка кажется слишком тяжелой для похода.
This bag seems too heavy for the hike.
Adjective in its feminine singular form, describing 'работа'.
После тяжелой работы хочется отдохнуть.
After hard work, you want to rest.
Adjective in its feminine singular form, describing 'погода'.