おおざっぱ
おおざっぱ · oozappa · JLPT N2 · na-adj
rough
🪓 大雑把 = big + rough + handful: grabbing a big rough fistful
Kanji 大雑把: 大 (big) + 雑 (rough, miscellaneous, as in 雑音 noise) + 把 (a handful or grasp). Grabbing a big messy handful without measuring gives you a rough, broad, sketchy result.