also: ばわい
noun
case; occasion; situation; circumstances
Dialectal/colloquial variant of 場合 (ばあい). Used in casual speech, often in Kansai and other western dialects. Functions identically to standard 場合.
See also: 場合 (ばあい)
雨が降ったばやいは、中止やで。
If it rains, it'll be canceled.
そんなばやいやないわ。
This is not that kind of situation.
Standard Japanese form with the same meaning. ばやい is a colloquial/dialectal variant, while ばあい is used in all registers.
Colloquial contraction of ばあい (場合), likely from rapid speech. The exact dialectal origin is uncertain, but it is common in Kansai and other western Japanese dialects.