Bloodthirsty is a related term of fiendish.
As adjectives the difference between bloodthirsty and fiendish
is that bloodthirsty is eager to resort to violence while fiendish is sinister; evil; conniving; in the manner of a fiend.
bloodthirsty
English
Alternative forms
* blood-thirsty (obsolete)
* bloud-thirsty (obsolete)
* bloudthirsty (obsolete)
Adjective
(en-adj)
Eager to resort to violence.
Characterized by massive bloodshed.
fiendish
English
Adjective
(
en adjective)
Sinister; evil; conniving; in the manner of a fiend.
Derived terms
* fiendishly
* fiendishness
Anagrams
* finished