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.