1Rough, wild, or violent in nature or movement — lacking gentleness or care; also used for waves, breathing, or speech that is forceful and irregular.
台風が近づいているせいで、海の波がとても荒い。
The waves are very rough because a typhoon is approaching.
あの運転手は運転が荒くて、後ろに乗っているとひやひやする。
That driver's driving is so rough that it's nerve-wracking to ride in the back.
彼は口調が荒く、部下を怒鳴りつけることが多い。
His tone is harsh, and he often shouts at his subordinates.
階段を駆け上がったら息が荒くなった。
My breathing became heavy after running up the stairs.
2Excessive, extravagant, or reckless in how something (money, judgment, work) is handled, lacking restraint or care.
若い頃は金遣いが荒く、給料をすぐに使い切っていた。
When I was young I spent money recklessly and used up my salary right away.
荒い見積もりのまま工事を始めたので、後で追加費用がかさんだ。
The construction started with a rough, careless estimate, so extra costs piled up later.
彼の仕事のやり方は荒く、細部の確認を怠りがちだ。
His way of working is sloppy, and he tends to neglect checking the details.