by no means
by no means or not by any means also by no manner of means or not by any manner of means  {adv. phr.}
Not even a little; certainly not. 
He is by no means bright.
"May I stay home from school?" "By no means." 
Dick worked on his project Saturday, but he is not finished yet, by any means.
Contrast: BY ALL MEANS.
Categories: 
 
Source: A Dictionary of American Idioms
