クラックkurakku

1. nouncrack

• Synonym亀裂きれつWrittenA crack or fissure, a single line or a network of them; also used figuratively for a rift in a relationship, as in 「関係に亀裂が入る」. Common in written and formal prose.
• SynonymひびNeutralFine cracks on the surface of ceramics or walls; also a metaphor for discord. The kanji is difficult, so it is usually written 「ひび」.
• Synonym割れ目われめNeutralA slit or gap left after something splits; applies to objects and body parts. Plainer than 「クラック」, and never used for breaking into computer systems.
• Related裂け目さけめNeutralA linear opening made by tearing or splitting; not limited to hard surfaces, such as cloth or the ground. 「クラック」 leans toward cracks in hard objects.
• Related割り目わりめNeutralA gap or split formed when something breaks or cracks. Rarely used; same meaning as 「割れ目」. 「クラック」 typically refers to cracks in hard objects.
• Relatedひび割れひびわれNeutralCracks that appear on walls, ceramics, skin and the like. A common everyday word, plainer than the loanword 「クラック」.

For everyday cracks use 「ひび」 or 「ひび割れ」; for written prose and figurative rifts use 「亀裂」. 「クラック」 is mostly technical and also means illegally breaking into a computer system.

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

1. 硬質こうしつの物ものにひびや割れ目われめができること。
2. コンピューターのシステムに不正ふせいに侵入しんにゅうし、情報じょうほうを盗ぬすんだり破壊はかいすること。
3. コカインを原料げんりょうとした依存性いぞんせいの高たかい白色はくしょくの麻薬まやく。