Overpowering consciousness; overpowering the senses; especially, overpowering the sense of hearing; confounding with noise.

Striking or overpowering with astonishment, especially on account of excellence; as, stunning poetry.

causing great astonishment and consternation; "the strike came as a stunning protest against management"; "a stunning defeat"

causing or capable of causing bewilderment or shock or insensibility; "laid the poor fellow senseless with one stunning blow"; "a stunning detonation with volumes of black smoke"

Stunning is the process of rendering animals immobile or unconscious prior to their being slaughtered for food. This process has been common for centuries in the case of cattle, who were poleaxed prior to being bled out. In Britain and Europe more widely the development of stunning technologies occurred largely in the first half of the twentieth century.

adj. Mind-bogglingly stupid. Used sarcastically.

strikingly beautiful or attractive; "quite stunning with large dark eyes and a beautiful high-bosomed figure"; "stunning photographs of Canada's wilderness areas"

commanding attention; "an arresting drawing of people turning into animals"; "a sensational concert--one never to be forgotten"; "a stunning performance"

Plant in groups of 15