粗い|あらいarai[0]heiban (flat)

1. i-adjectivecoarse; rough
   彼女かのじょのドレスはきめの粗あらいウールでできていた。↗

   Her dress was made of coarse wool.

• SynonymぞんざいNeutralCareless treatment or a rude manner, as in 「ぞんざいな口調」; 「粗い」 does not describe attitude.
• Synonym粗末そまつNeutralCrude, shabby, poorly made; also not treasuring things, as in 「物を粗末にする」. 「粗い」 is about lacking fineness.
• Synonym粗雑そざつWrittenWritten/formal prose for sloppy, careless workmanship, as in 「粗雑な作り」; close to 「仕事が粗い」 but more formal.
• Related大雑把おおざっぱNeutralRough in approach, not fussing over details; often describes a person's character or calculations. 「粗い」 covers both coarse texture and work that is not fine.
• Related大まかおおまかNeutralApproximate or broad-brush, and fairly neutral, as in 「大まかな計画」; 「粗い」 carries a negative sense of not being fine enough.
• Related荒いあらいNeutralA homophone: used for a violent temper, rough waves and the like, as in 「気が荒い」; 「粗い」 is for coarse grain or texture.
• Related凸凹でこぼこNeutralAn uneven, bumpy surface. 「粗い」 focuses on large grains, a sparse mesh, or a lack of fineness.
• RelatedザラザラCasualColloquial mimetic word for a gritty, prickly feel under the fingers, as in 「ザラザラした肌」; 「粗い」 is more objective.
• RelatedアバウトCasualColloquial loanword for being sloppy or approximate. 「粗い」 can also describe work that is not fine, but usually sounds critical.
• Related不揃いふぞろいNeutralSizes or lengths that are uneven and do not match. 「粗い」 is about being coarse rather than fine.
• Antonym細かいこまかいNeutralThe antonym for grain and mesh size: fine, small, minute.
• Antonym滑らかなめらかNeutralThe antonym in surface texture: smooth and sleek.
• Antonym緻密ちみつWrittenWritten/formal prose; the antonym in fineness of workmanship: meticulous and precise.

Use 「粗い」 for coarse grain or texture and for work that is not fine, as in 「目が粗い」 and 「仕事が粗い」. For a violent temper or rough waves use the homophone 「荒い」; for rough, approximate plans or estimates 「大まか」 is the neutral choice. The main opposites are 「細かい」 and 「緻密」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. （原義げんぎ）整ととのった、秩序ちつじょのとれた、調和ちょうわのとれた状態じょうたいにない。
2. まばらである。隙間すきまが大おおきい。
3. 粒つぶなどが大おおきい。
4. ざらざらしている。滑なめらかでない。
5. 大雑把おおざっぱである。