By No Means Meaning

(idiomatic) certainly not; definitely not.

Example:   By no means am I suggesting that euthanasia should be outlawed, but rather that we should look at its inherent risks.
1856: Gustave Flaubert, Madame Bovary, Part III Chapter XI, translated by Eleanor Marx-Aveling
  He by no means gave up his shop. On the contrary, he kept well abreast of new discoveries. He followed the great movement of chocolates; he was the first to introduce "cocoa" and "revalenta" into the Seine-Inferieure.