na-adjective
rough; not precise; approximate
Describes something done in a rough, approximate, or not finely detailed manner. Often used for estimates, plans, or handling.
ラフな計算で大丈夫です。
A rough calculation is fine.
彼の運転はちょっとラフだ。
His driving is a bit rough.
na-adjective
Specifically for clothing or style that is relaxed and informal, not dressy.
今日はラフな格好で来てください。
Please come in casual clothes today.
パーティーだけど、ラフな服装でいいよ。
It's a party, but casual attire is fine.
noun
Golf term for the area of long grass beside the fairway.
ボールがラフに入ってしまった。
The ball went into the rough.
noun
A preliminary or unpolished drawing, plan, or version.
まずラフを描いてから清書します。
First I draw a rough sketch, then I make a clean copy.
企画のラフを提出してください。
Please submit a draft of the plan.