くだけた
砕けた
kudaketa

Pre-noun Modifier

1. easy (e.g. explanation, description); plain; familiar

Usually Written in Kana
今度こんどかれはくだけた服装ふくそうをした。美々びびしいスーツは場違ばちがいであることがついたからだ。
kondowa karewa kudaketa fukusōo shita. bibishii sūtsuwa bachigaidearu kotoni kigatsuitakarada.
This time he dressed down, having realized that the smart suit would be out of place.
Pre-noun Modifier

2. informal (e.g. greeting, expression); friendly; affable (e.g. person)

Usually Written in Kana