nah 
/ˈnæ, ˈnæə, ˈnɑ:/ adverb
/ˈnæ, ˈnæə, ˈnɑ:/ adverb informal : 1no ◊Nah is used in very informal spoken English.
▪ “Do you want to come with us?” “Nah, I've got too much work to do.”
▪ “Do you want to come with us?” “Nah, I've got too much work to do.”
