The Collaborative International Dictionary
Brainless \Brain"less\, a. Without understanding; silly; thoughtless; witless. -- Brain"less*ness, n.
Wiktionary
n. The state or condition of being brainless.
Usage examples of "brainlessness".
He was distinguished among the admirers of Miss Sarah's red and white beauty by his brainlessness no less than by his eligibility.
The "afterglow" period of delicious brainlessness was measurable in microseconds, and then, wham, I was back inside my skull, brain buzzing, chewing on well, that wasn't as good as I hoped nor as bad as I feared and Jeez I've got my back to Snaker and my legs spread, will he think I?
Between them, these two may decree that a fete galant e shall move to tears, that a crucifixion shall be serene to the point of cheerfulness, that a stigmatization shall be almost intolerably sexy, that the likeness of a prodigy of female brainlessness (I am thinking now of Ingres' incomparable Mme.
If only my brainlessness hadn't kept me from realizing what I had until it was too late.
If only my brainlessness hadn’t kept me from realizing what I had until it was too late.