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The Collaborative International Dictionary
Fiendishly

Fiendish \Fiend"ish\, a. Like a fiend; diabolically wicked or cruel; infernal; malignant; devilish; hellish. -- Fiend"ish*ly, adv. -- Fiend"ish*ness, n.

Wiktionary
fiendishly

adv. In a fiendish manner

WordNet
fiendishly

adv. as a devil; in an evil manner; "his writing could be diabolically satiric" [syn: diabolically, devilishly]

Usage examples of "fiendishly".

They were met by a group of red-fingered fellows who upbraided them fiendishly for permitting Doc to walk through their hands.

Finally I was sure it was not a face at all, but a fiendishly cunning mask.

And all the while cold fingers of damp vapor clutched and picked at me, and that eldritch, damnable whistling shrieked fiendishly above all the alternations of babel and silence in the whirlpools of darkness around.

They did not expect to hear Sir Alfred Jermyn emit a shrill, inhuman scream, or to see him seize his clumsy antagonist with both hands, dash it to the floor of the cage, and bite fiendishly at its hairy throat.

Hall School, but she had been his morbidly avid pupil and looked fiendishly like him at times.

He had only kept it from tearing him to pieces by rushing out to the kitchen and striking and devouring a fried scallop, torturing it fiendishly first for twenty minutes.

Bridgerton females, who looked fiendishly alike with their chestnut hair and wide smiles.

A cross between a high school gymnasium and a NASA training facility for astronauts, it contained some of the most fiendishly designed equipment ever to coax damaged body parts to work again.

He was scraping the glue away from a broken Chinese blue-and-white bowl he'd bought in the Portobello Road, and repaired, two fiendishly excited horsemen chasing a timid little fallow-deer.

At length, after temporarily felling one of his detainers with a sudden blow, he had flung himself upon the other in a demoniac ecstasy of blood-thirstiness, shrieking fiendishly that he would "jump high in the air and burn his way through anything that stopped him.

When all was said and done he reckoned violence and weapons were pretty much all as bad as each other, and the people who made them necessary didn't have much cause to complain if the other guy turned out to be more fiendishly inventive when it came to dishing out the pain and misery.

We've had my entire extrapolatory computing capacity at work attempting to analyze the value system underlying your tactics, and I've come up with only two alternatives: one, you're an absolute idiot, or, two, you're a fiendishly clever mind of totally incalculable subtlety.

The living nightmare turned its potato head towards the street gang and fiendishly gargled at them again.

The greatest complexity seemed to be in the information retrieval net, rather than the protein-based data storage, though both were not only fiendishly ornate, but largely unmapped--it had been an autolearning-style system which had assembled itself in a highly non-linear fashion after the chip had been installed.

The greatest complexity seemed to be in the information retrieval net, rather than the protein-based data storage, though both were not only fiendishly ornate, but largely unmapped—.