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疎音 (そいん, soin) Japanese meaning: prolonged silence | Kotomora
じ 字
Kanji 疎 alienate, rough, neglect Related words 音おん 信しん 不ふ 通つう 音信不通 is more common and means 'no communication at all', while 疎音 emphasizes the long duration of silence.
無ぶ 沙さ 汰た 無沙汰 is a common word for 'neglecting to keep in touch', often used in apologies. 疎音 is more literary and less common.
Etymology Compound of 疎 (so, 'distant, sparse') and 音 (in, 'sound, news'). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning of infrequent communication.
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久ひさ しぶり に 友ゆう 人じん に 疎そ 音いん を 打う っ た 。
I broke a long silence and contacted my friend after a long time.
