i-adjective
Physical depth: water, holes, containers, snow, etc. Antonym of 浅い.
Antonyms: 浅い
この湖はとても深い。
This lake is very deep.
雪が深くて歩きにくい。
The snow is deep and hard to walk in.
i-adjective
Abstract depth: thought, meaning, emotion, understanding, etc.
彼の言葉には深い意味がある。
His words have a deep meaning.
深い感動を覚えた。
I was deeply moved.
i-adjective
Used for fog, forest, greenery, etc., where something is thick or dense, giving a sense of depth.
深い霧で前が見えない。
I can't see ahead because of the thick fog.
深い森の中を歩いた。
I walked through the deep forest.
i-adjective
Describes a close, intimate relationship or bond.
二人は深い仲だ。
They have a close relationship.
深い絆で結ばれている。
They are bound by deep ties.
i-adjective
Used for strong emotions, colors, or sensations.
深い悲しみに包まれた。
I was overcome by deep sorrow.
彼女は深い青色のドレスを着ていた。
She wore a deep blue dress.
i-adjective
Used with time expressions like 夜 (night) or 秋 (autumn) to mean 'late' or 'advanced'.
夜が深くなってきた。
The night has grown late.
夜も深いので、そろそろ帰ろう。
It is late at night, so let's head home soon.