noth·er or 'noth·er 
/ˈnʌðɚ/ adjective
/ˈnʌðɚ/ adjective Meaning:
whole nother
US, informal : completely different
▪ That's a whole nother story/issue. [=that's a whole other story/issue; that's a story/issue that is completely different from the one we have been talking about] ▪ He has taken his performance to a whole nother level. [=to a completely different and much higher level]
▪ That's a whole nother story/issue. [=that's a whole other story/issue; that's a story/issue that is completely different from the one we have been talking about] ▪ He has taken his performance to a whole nother level. [=to a completely different and much higher level]
