noun, na-adjective
Physical or spatial emptiness, or a state of being vacant and hollow. Can also describe a feeling of inner emptiness.
その部屋は空虚で、何もなかった。
The room was empty, with nothing in it.
彼の心は空虚だった。
His heart felt empty.
noun, na-adjective
inanity; pointlessness; meaninglessness
Abstract emptiness: lack of meaning, substance, or value. Often used for ideas, words, or actions that feel hollow or futile.
空虚な議論に時間を費やした。
We spent time on pointless arguments.
その言葉は空虚に響いた。
Those words sounded hollow.