That operates to produce an effect.
Any of a class of behaviors that produce consequences by operating (i.e., acting) upon the environment.
An operative person or thing.
Having a punch; effective; forceful; spirited; vigorous.
Of groomed snow: unable to support the weight of a skier, especially when the skier’s weight is all on one ski, resulting in a ski punching through the surface of the snow.
Involving or resembling a punch with the fist.
Behaving or appearing punch-drunk, reacting poorly.