Find Antonyms
fiendish Antonyms
Opposite of fiendish
Because the opposite of fiendish shifts with each meaning, the 11 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• adjective (Context 1)
Extremely cruel, wicked, or malicious; characteristic of a fiend or demon.
Usage Example
"The novel's antagonist devised a angelic plot to ruin his rival's reputation."
Strongest
angelic
benevolent
saintly
Strong
compassionate
humane
kindhearted
• adjective (Context 2)
Extremely complex, clever, or difficult to solve or overcome.
Usage Example
"The Sunday newspaper featured a simple crossword puzzle that stumped everyone in the office."
Strongest
simple
easy
Strong
straightforward
elementary
effortless
Similar words to fiendish
Words similar to fiendish shift depending on context. Common synonyms include:
diabolical
demonic
devilish
wicked
monstrous
cruel
nefarious
heinous
Cite this Entry
Wordmom. (2026). Antonyms for Fiendish. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/fiendish