Describes something not detailed or precise, such as an estimate, summary, or outline. Often neutral or slightly informal.
It's a rough estimate, but the cost is about 100,000 yen.
彼は大ざっぱに計画を説明した。
He explained the plan in broad terms.
Used for work or behavior that lacks attention to detail, often with a negative connotation.
彼の仕事は大ざっぱで、ミスが多い。
His work is sloppy and full of mistakes.
大ざっぱな性格だから、細かい作業は苦手だ。
I have a careless personality, so I'm not good at detailed tasks.
I cleaned the room in a rough, quick way.
Roughly speaking, the cost is about 100,000 yen.
It's a rough calculation, but there will probably be about 100 participants.
He has a careless personality and doesn't worry about small details.
大雑把 means rough or careless about details, contrasting with the fine, meticulous attention to detail implied by 几帳面.