1Rough or general, without attention to detail — used for approximate estimates, summaries, or overviews.
大雑把に言うと、このプロジェクトには半年ほどかかりそうだ。
Roughly speaking, this project will probably take about six months.
まず大雑把なスケジュールを立ててから、細かい部分を詰めていこう。
Let's first make a rough schedule, then work out the details.
彼の説明は大雑把すぎて、具体的なイメージがわかなかった。
His explanation was too general, and I couldn't picture the specifics.
2Careless or sloppy — doing something in a rough, inattentive way that lacks care.
彼の掃除はいつも大雑把で、隅にほこりが残っている。
His cleaning is always sloppy, and dust is left in the corners.
大雑把な性格の彼は、細かい書類のチェックが苦手だ。
Being a careless person by nature, he's bad at checking detailed documents.
大雑把に切った野菜は、火の通り方にばらつきが出る。
Vegetables cut roughly and carelessly cook unevenly.