A phrase meaning 'this and that' or 'one thing or another' — various things or matters.
引っ越しの準備であれこれ忙しい。
I'm busy with all sorts of things preparing for the move.
店にはあれこれ面白い雑貨が並んでいる。
The shop displays all sorts of interesting knickknacks.
彼はあれこれと意見を言ったが、結局決まらなかった。
He gave one opinion after another, but nothing was decided in the end.
Used to mean 'around' or 'approximately' (e.g., 'around/about that amount').
費用はあれこれで五万円くらいかかるだろう。
The cost will be around fifty thousand yen in total.
彼女はあれこれ考えて、やっと答えを出した。
She thought about it in various ways and finally reached an answer.