expression, i-adjective
heavy-headed; feeling heavy in the head
Describes a physical sensation of dull heaviness or pressure in the head, often from fatigue, illness, or stuffiness.
風邪で頭が重い。
My head feels heavy because of a cold.
寝不足だと頭が重くなる。
When I don't get enough sleep, my head gets heavy.
expression, i-adjective
sick with worry; weighed down by anxiety
Metaphorical use: the mind feels heavy or clouded due to worry, stress, or emotional burden.
仕事のことで頭が重い。
I'm sick with worry over work.