Definition of "naw"

"Naw, no trouble. Just pulled off the road for about ten minutes, maybe, when a couple of Nip fighters banked overhead. They were after something or other." "Is that right?" Mac replied.

2003, Anton F. Bilek, Tony Bilek, Gene O'Connell, No Uncle Sam: The Forgotten of Bataan, Kent State University Press, page 31

'Naw, hen, sorry. Ye're too young for us. Come back when you've got a couple mair years under yer belt, eh?'

2012, Alex Gray, A Pound of Flesh

“Naw, no thanks. I'll catch you next time.” “Come on, Shane. All you do is work, work, and work. You need to have a little fun, don't you?” “Right now, I'm having a lot of fun. Trust me.” “Do you have company?” “No, I'm painting.”

2012 November 1, Brenda Hampton, Naughty No More, Urban Books