invisibly; secretly; privately
Describes actions done out of sight, behind the scenes, or without drawing attention. Often used when someone works or acts in a hidden, quiet, or discreet manner. Antonym: 陽に (openly, publicly).
Antonyms: 陽に
彼は陰に回って支援を続けた。
He continued to support from behind the scenes.
陰にこそこそ動くのはやめてほしい。
I wish you'd stop sneaking around secretly.
openly and covertly; publicly and privately; implicitly and explicitly
From 陰 (いん, 'shade, hidden side') + adverbial particle に. The exact historical derivation is straightforward; the word is a standard adverbial form.