明あかるみに出だす

Meanings

1

expression, godan verb (-su)

Used when hidden facts, scandals, or problems are revealed to the public or to a wider audience. Often implies that the information was deliberately concealed.

内ない部ぶ告こく発はつが不ふ正せいを明あかるみに出だした。
The whistleblowing brought the wrongdoing to light.

そのスキャンダルは記き者しゃによって明あかるみに出だされた。

The scandal was exposed by a reporter.

Written forms

明あかるみに出だす
Standard kanji spelling for this fixed expression.
明あかるみにだす
Mixed kanji-kana spelling; less common but still used.

Kanji

明bright, light
出exit, leave, go out

Similar words

暴ばく露ろする
暴露する also means 'to expose' or 'to disclose', but it is a more direct and often stronger word, while 明るみに出す emphasizes the process of bringing something hidden into the open.
公おおやけにする
公にする means 'to make public' in a neutral or official sense, whereas 明るみに出す often carries a nuance of revealing something that was intentionally kept secret.

Etymology

From 明るみ (brightness, open light) + に + 出す (to take out). Literally 'to bring out into the light', a metaphorical expression for revealing hidden matters.