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reverberation; swelling (of a hymn); trailing note
lingering memory; aftertaste
suggestiveness (of a book, poem, etc.)
映画の余韻に浸りながら帰路についた。
I headed home while basking in the afterglow of the movie.
旅行の余韻がまだ消えずにいる。
The lingering impressions of the trip have not yet faded.
演奏が終わった後も余韻が残っていた。
Even after the performance ended, the reverberations lingered.