"dementedly" is a correct word in written English.
It is an adverb that describes something being done in a way that is irrational, crazy, or mentally unstable. Example: The tiger paced back and forth dementedly in its enclosure, unable to find a way to escape.
YELLING dementedly, seven lawmakers mobbed the chairman of the Indian parliament's upper house on March 8th and tore at the document, containing the women's reservation bill, he was reading from.
It is now a shadow of the Las Vegas Strip, which has grown dementedly since the late 1980s, building ever larger, more exuberant hotels.
Her father immediately cut her off, leaving Diana dementedly devoted to the fascist cause.
It was a bespectacled squinty-eyed Jap soldier portrayed as a dementedly grinning rat.
The Los Angeles Master Chorale threw itself vehemently, even dementedly, into the proceedings.
In this case the ornamentation was so dementedly florid — spiral staircases, serpentine columns, stucco angels — that the building never got off the drawing board.
In the pepper soup ($9 with goat, $10 with fish), habañeros are strewn with abandon, defiantly, almost dementedly.
I think that what he was saying was that it had been fun to get the chance to chat, however dementedly.
Mr. Taylor had laughed dementedly in Scene 3. Mr. Fugard, directing a play for the first time in a decade, told him, "Nothing is funny.
Wearing head-to-toe sparkles and a dementedly impish twinkle, Mr. Douglas dominates "Behind the Candelabra" the moment he appears on a mirrored Las Vegas stage, his fingers scurrying over the ivories like mice.
It may sometimes seem that my critical approach to retail fashion has been to go in like Laurence Olivier in "Marathon Man" with a tray of power tools intent on performing involuntary dental surgery on designers while dementedly screaming, "Is it safe?!" But I have been looking for generosity of vision.
