Clean
Cleanliness
noun, な adjective
Something so pure it's pure twice must be really clean! Cleanliness is next to pure...liness, after all. I'm sure that's how the saying goes.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
キッチンは清潔にしておくものでしょ？
We're supposed to keep our kitchens clean, right?
おそうじの行き届いた清潔なお店で、ご飯も美味しかったです。
The restaurant was clean and well kept, and the food was delicious.
あそこのクリニックはとても清潔です。
That clinic is very clean.
実際には清潔だけど、見た目は汚らしくてちょっと影がある男の人がタイプです。
My type is a guy who is actually clean but looks dirty and sketchy.