Outside
Outer Side, Exterior
noun, の adjective
The outside side is the outside.
This word uses the kun'yomi readings from the kanji. Since you learned the kun'yomi reading for 外 with the vocabulary, you should be just fine here.
外側に開くと思ったら、内側に開くドアだったんだね。
I thought this door opened outward, but it actually opens inward, I guess.
いつもは外側のポケットにかぎを入れておくんですけど...おかしいなぁ。
I usually put the key in the outside pocket though....weird.
サーモンのフライを作ろうとしたんだけど、外側だけ焦げちゃって内側は血生臭いオレンジ色のままになっちゃった。油がちょっと熱すぎたのかも。
I tried to deep fry some salmon, but the outside got burnt and the inside stayed bloody and orange. I guess the oil might have been too hot.