Word: fiendishly
Part of speech: Adverb
Syllables: fiend
ish
ly
Definition: In a fiendish manner; evilly, wickedly.
Morphemes:
Affix: fiend
Language: en
PoS: Noun
Meaning: A very evil person.
Affix: -ish
Language: en
PoS: Suffix
Meaning: Typical of, similar to, being like.
Affix: -ly
Language: en
PoS: Suffix
Meaning: Used to form adverbs from adjectives.