ひび・罅hibi[2]odaka (tail-high)

1. nouncrack; fissure
   その茶碗ちゃわんにはひびがある。↗

   The cup has a crack.
2. nounrift (in a relationship); split; crack

• Synonym割れ目われめNeutralA crack or split of any size, e.g. in rock or ice; broader in scope than 「ひび」, which usually means fine surface cracks.
• Synonym裂け目さけめNeutralA tear or rip, often in cloth, the ground, or rock strata; stresses being torn open, while 「ひび」 is a fine surface crack.
• Synonym亀裂きれつWrittenA Sino-Japanese word of written/formal prose and news reports; means cracks and, as in 「亀裂が入る」, a rift in relations—more formal than 「ひび」.
• SynonymクラックNeutralA loanword for cracks, used in technical settings like building and parts inspection; also means illegally hacking into computer systems.
• Related地割れじわれNeutralCracks in the ground, typically from earthquakes, drought, or subsidence; limited to the ground, while 「ひび」 usually describes fine cracks in pottery or walls.
• Relatedひび割れひびわれNeutralA noun and verb for developing fine cracks, as in 「壁のひび割れ」; largely synonymous with 「ひび」 but stresses the cracked state.
• RelatedひびNeutralAlso written 「皸」; chapped, cracked skin from cold and dryness. Applies to skin only, and is read the same as 「罅」.
• Antonym無傷むきずNeutralAn antonym: undamaged or unscathed, also flawless or with no defeats; opposite of 「ひび」 in the sense of being intact, with no cracks.

Use 「ひび」 for fine cracks in pottery or walls, as in 「ひびが入る」, and for a rift in a relationship. 「割れ目」 covers cracks of any size; 「亀裂」 is formal, seen in reports. Skin cracks are 「皹」, ground cracks 「地割れ」; 「無傷」 means undamaged—the opposite.

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

1. 陶器とうき、かべなどの表面ひょうめんにできる細こまかい割れ目われめ。
2. 不和ふわ。