뜻 and 듯이 are totally different things. 뜻 is noun and it means mean or will(intention) 니 뜻대로 해라 do as you want... 그게 무슨 뜻이야? what do you mean? 듯이 is Adv. It means as if. .. 그는 날 죽일듯이 달려 들었다. he jumped on me as if he would kill me.