ざっと

briefly, at a glance, roughly, approximately

d͡z a̠ t̚ t o̞
adverb Rare #45,179
briefly, at a glance Often describes doing something quickly and without looking at the details.
JA: 資料にざっと目を通しました。
EN: I briefly looked over the materials.
roughly, approximately
JA: 費用をざっと計算しました。
EN: I roughly estimated the cost.

その書類をざっと見て下さい。

Please take a quick look over those documents.

彼はメールをざっと読んだ。

He skimmed through the email.

どれだけ本に使ったかを、ざっと計算してみてください。

Please roughly calculate how much you spent on books.

Sounds similar to