1
shade;shadow
あの木の陰に腰をおろしましょう。
Let's sit down in the shade of that tree.
2
behind (something);other side;back
カーテンの陰に隠れているのは誰？
Who is hiding behind the curtain?
3
the background;behind the scenes;behind someone's back
陰で他人の悪口を言うべきでない。
You should not speak ill of others behind their backs.
4
gloom (in someone's expression, nature, etc.);darkness
Other forms
蔭 【かげ】 · 翳 【かげ】 (rarely used kanji form)