i-adjective
Describes physical weight that feels heavier than expected or burdensome to lift or carry. Often carries a subjective, sensory nuance compared to the more objective 重い.
この荷物は見た目より重たい。
This luggage is heavier than it looks.
重たいスーツケースを階段で運
Carrying a heavy suitcase up the stairs is tough.
i-adjective
heavy (atmosphere, feeling); serious; gloomy
Used for moods, atmospheres, or emotional states that feel oppressive, somber, or weighed down. Common in phrases like 空気が重たい or 気分が重たい.
会議のあと、部屋の空気が重たくなった。
After the meeting, the atmosphere in the room became heavy.
悪い知らせを聞いて気分が重たい。
I feel heavy-hearted after hearing the bad news.