As an adjective fiendish
is sinister; evil; conniving; in the manner of a fiend.
As a noun terms is
.
fiendish
English
Adjective
(
en adjective)
Sinister; evil; conniving; in the manner of a fiend.
Derived terms
* fiendishly
* fiendishness
Anagrams
* finished
terms
English
Noun
(head)
Statistics
*
----