This is the 6235th most frequent Russian word.
тяжелый
Heavy; difficult.
Refers to complexity or intensity in music.
Эта музыка кажется слишком тяжелой для него.
This music seems too heavy for him.
Describes a physical weight.
Этот шкаф очень тяжелый.
This cabinet is very heavy.
Metaphorically describes difficulty or hardship.