senselessness, stupidity, absurdness, foolishness, incapacity, folly, ridiculousness, imbecility, giddiness, fatuousness, idiocy, silliness, asininity, absurdity.
thoughtlessness (part of speech: noun)
" I am the leader," answered a stout pompous Churchman, whose small malevolent eyes belied the sallow fatuity
of his face.
- "Historical Romances: Under the Red Robe, Count Hannibal, A Gentleman of France", Stanley J. Weyman.
Either you understand nothing about women, or you are guilty of gross fatuity.
- "The Grey Cloak", Harold MacGrath.
Even his hair, a fantastic fatuity
behind a push- cart, he did not take the trouble to cut or trim.
- "The Book of Khalid", Ameen Rihani.