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emptiness; hollowness; vacancy; void
inanity; pointlessness; meaninglessness
彼は引退後、空虚な喪失感に襲われた。
After retirement, he was overcome by a sense of hollow loss.
批評家は、その映画のメッセージが空虚だと指摘した。
The critic pointed out that the movie's message was empty.
仕事を失ってから、彼の心は空虚に感じられた。
After losing his job, his heart felt empty.