An adverb meaning 'very' or 'extremely'; used frequently in casual speech (usually written in kana).
このケーキはすごくおいしい。
This cake is really delicious.
昨日はすごく疲れて早く寝た。
I was really tired yesterday and went to bed early.
すごく寒いからコートを着て行ったほうがいいよ。
It's very cold, so you should wear a coat.
彼の発表はすごく分かりやすかった。
His presentation was extremely easy to understand.