Fiendish is a 8 letter English word. It's valid Scrabble word worth 15 points. It's valid Words with friends word worth 15 points.
You can make 166 anagrams from letters in fiendish (defhiins).
First recorded in 1520-30; fiend + -ish1
Me therein, an innocent man, the fiendish foe was fain to thrust with many another.
So avenged I their fiendish deeds death-fall of Danes, as was due and right.
All that fiendish cruelty and the demon of destruction could do was done.
Two eyes near the door were gleaming with the light of fiendish triumph.
What was it—madness, a nightmare, or a trap into which he had been decoyed with fiendish artfulness?
This language is wanton cruelty,—it is fiendish insult,—is it not, Evelyn?
Somewhere in the Afterlife, Laurence Sterne must have been tickled to see his fiendish book infused with new life.
Surely only an advanced hacker could mastermind such a fiendish act — right?
No wonder he is sometimes provoked to fiendish outbursts of wrath.
Croatians, naturally, were the fiendish enemy, second only to the Turks.