Simple, Easy
noun, な adjective, の adjective
It has simplicity and is easy. Whatever it is, it is simple and easy.
かんい
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
とりあえず、簡易のテントを張っておいたよ。
I've put up a simple tent for now.
かなり簡易な作りですが、フンドシを作ってみました。
It's a pretty simple pattern, but I made a fundoshi.
もしうちに泊まりたいなら、簡易ベッドがあるよ。
If you want to sleep over at our place, we have a cot.