no matter what
"regardless" has a meaning of "instead of' or "no matter where or what"
The English term 'regardless' has a couple of uses: 1: (usually followed by `of') without due thought or consideration; 2: in spite of everything; without regard to drawbacks
1.not nice 2.rude and disrespectful to other people 3.opposite of nice 4.cruel 5.harsh through words or actions
it means...that you mean what you mean:)