What's the plural form of impishness? Here's the word you're looking for.
Answer
The noun impishness can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be impishness.
However, in more specific contexts, the plural form can also be impishnesses e.g. in reference to various types of impishnesses
or a collection of impishnesses.
Affectionate and devoted to their owners, they exhibit a healthy dose of impishness, a penchant for instinctual problem solving, and a finely developed sense of humor.
He has been neither but he has excited everyone with his impishness and his tears.
Immediately Tudor's monkey-like impishness left him, and he was once more the cool, self-possessed man of the world.
Lisa has a certain impishness to her character that explains the smirks quite sufficiently on its own.
The male was no longer tiny but he would still have the impishness and activity level of a kitten.
He had a delightful impishness which was to be a hallmark of his character throughout his life.