1. Not ever; on no occasion; at no time: He had never been there before. You never can be sure.2. Not at all; in no way; absolutely not: Never fear. That will never do.
IDIOM:
never mind1. Don't bother: I was hoping for some help, but never mind, I'll do it alone.2. Not to mention; and certainly not: I can't tread water, never mind swim.
ETYMOLOGY:
Middle English, from Old English nfre : ne, not; see ne in Appendix I + fre, ever; see aiw- in Appendix I.