Wiktionary
adv. With smug stupidity or vacuous silliness; idiotically.
WordNet
adv. vacuously or complacently and unconsciously foolish [syn: inanely]
Usage examples of "fatuously".
I am fond of you and I hope, perhaps fatuously, that one day if we cross paths again you will allow me to take you out to dinner or something.
Hiding his disdain, he smiled fatuously while accepting his own screen from two of the little women who had produced it.
I saw several guards grinning fatuously as their young partners led them outside or up the shadowy staircase.
I felt almost fatuously happy despite all the ways it would complicate my life.
It was the bright young man with the teeth again, and he beamed round fatuously at the company as he spoke.
Abbershaw glance up to find Albert Campion smiling fatuously in upon him.
But there I go, doing it myself, and it is just as fatuously iridescent when I do it as when another guy does.
Breslaw was beaming fatuously, for the process was a new application of old techniques and the coating had been accomplished with relatively no halts or snags.
I said fatuously, and we walked out of the hotel, down into the long pedestrian tunnel which led under The Fiftieth Anniversary of the October Revolution Square and up into a cobbled street with the red walls of the Kremlin away to the right.
They saw Skalgr less frequently, but he was forever hobnobbing with the Myrkriddir and bowing and scraping fatuously before Myrkjartan.
If Xexo grinned fatuously as he tended the generators at Aurigae Tower and adopted a smug smile whenever Rojer was mentioned, no-one contested him when he'd allude to Rojer's progress as one of his own better 'engineering' accomplishments.
Disgusting as it was, I couldn't help laughing at the pen-and-ink sketch which accompanied it--a sketch of the duke, with crowned head, and breast covered with decorations, smiling fatuously from within a rakish bordef, of broken champagne glasses.