fiendish
The word “fiendish” has 2 syllables: fiend-ish
It's pronounced as /ˈfiːn.dɪʃ/
What is synonym and antonym for fiendish?
In the thesaurus, “fiendish” has 73 synonyms and 34 antonyms.
Here are synonyms and antonyms for fiendish along with examples of usage in sentences.
Synonyms for fiendish
- Luciferian
- atrocious
- baleful
- barbaric
- barbarous
- beastly
- bloodthirsty
- brutal
- brute
- brutish
- butcherly
- cacodemonic
- catty
- cruel
- cutthroat
- demoniac
- demonian
- demonic
- demonical
- despiteful
- devilish
- diabolic
- diabolical
- draconian
- draconic
- evil
- fell
- ferocious
- grim
- hard-hearted
- hardhanded
- harsh
- hateful
- heartless
- heavy-handed
- heinous
- hellish
- immoral
- infernal
- inhuman
- inhumane
- iniquitous
- ironhearted
- malevolent
- malicious
- malign
- malignant
- mean
- merciless
- monstrous
- murderous
- nasty
- nefarious
- oppressive
- pitiless
- red in tooth and claw
- ruthless
- sadistic
- sanguinary
- sanguine
- satanic
- savage
- sinister
- spiteful
- stonyhearted
- truculent
- unfeeling
- vicious
- vile
- villainous
- vindictive
- wanton
- wicked
Antonyms for fiendish
- angelic
- beneficent
- benevolent
- benign
- benignant
- celestial
- charitable
- clement
- compassionate
- ethical
- godly
- good
- good-hearted
- heavenly
- holy
- humane
- kind
- kindhearted
- lenient
- merciful
- moral
- pacific
- peaceable
- peaceful
- pitying
- righteous
- sainted
- saintly
- sympathetic
- tender
- tenderhearted
- virtuous
- warm
- warmhearted
Meanings of fiendish
- adjective
- Sinister; evil; like a fiend.
Example Sentences
- The puzzle was so fiendish that no one could solve it quickly.
- He came up with a fiendish plan to trick his opponents.
- The villain had a fiendish laugh that echoed through the hall.
- She faced a fiendish challenge during the competition.
- The escape room was designed with fiendish difficulty.
On this page you'll find 107 synonyms, antonyms, or another words to fiendish, such as: Luciferian, angelic, atrocious, baleful, barbaric, barbarous, beastly.
Make sure to choose synonyms and antonyms that are appropriate for the context of the sentence.
Related Words
cacodemonic
sadistic
- atrocious
- barbaric
- barbarous
- bloodthirsty
- brutal
- brute
- butcherly
- catty
- cruel
- cutthroat
- despiteful
- draconian
- draconic
- fell
- ferocious
- fiendish
- grim
- hard-hearted
- hardhanded
- harsh
- hateful
- heartless
- heavy-handed
- inhuman
- inhumane
- ironhearted
- malevolent
- malicious
- malign
- malignant
- mean
- merciless
- murderous
- nasty
- oppressive
- perverse
- pitiless
- red in tooth and claw
- ruthless
- sanguinary
- sanguine
- savage
- spiteful
- stonyhearted
- truculent
- unfeeling
- vicious
- vindictive
- wanton
magical
- aberrant
- amazing
- astonishing
- astounding
- atypical
- awesome
- baffling
- bedazzled
- bewildering
- bewitched
- bewitching
- bizarre
- captivated
- charismatic
- charmed
- charming
- clairvoyant
- confounding
- conjuring
- conspicuous
- curious
- cursed
- curst
- demoniac
- diabolic
- divining
- dreamy
- eerie
- eery
- enchanted
- enchanting
- ensorcelled
- entranced
- entrancing
- extraordinary
- fabulous
- fairy
- fairylike
- fantastic
- fantastical
- far-out
- fascinated
- fascinating
- fiendish
- flaky
- forecasting
- foreknowing
- foreseeing
- foretelling
- fortune-telling
- freak
- freakish
- funny
- ghostly
- grotesque
- haunted
- hypnotized
- idiosyncratic
- imaginary
- jinxed
- kinky
- magic
- magnetic
- marvellous
- marvelous
- mesmerized
- metaphysical
- miraculous
- mysterious
- mystic
- mystifying
- mythical
- necromantic
- notable
- noticeable
- numinous
- occult
- otherworldly
- out-of-the-way
- outlandish
- outrageous
- outstanding
- paranormal
- parapsychological
- peculiar
- perplexing
- phenomenal
- portentous
- possessed
- predicting
- presaging
- preternatural
- prodigious
- prognosticating
- prominent
- prophesying
- puzzling
- quaint
- queer
- queerish
- quirky
- rare
- remarkable
- runic
- salient
- screwy
- shocking
- singular
- soothsaying
- sorcerous
- spectral
- spellbinding
- spellbound
- spiritualistic
- spooky
- strange
- striking
- stunning
- stupendous
- sublime
- superhuman
- supernatural
- supernormal
- telekinetic
- thaumaturgic
- tranced
- transcendent
- transcendental
- uncanny
- uncommon
- unconventional
- uncustomary
- unearthly
- unique
- unnatural
- unorthodox
- unusual
- unwonted
- utopian
- wacky
- way-out
- weird
- whacky
- wild
- wiling
- witching
- witchlike
- wizardly
- wonderful
- wondrous
naughty
- adult
- annoying
- arch
- babyish
- bad
- badly behaved
- balky
- bawdy
- blue
- childish
- contrary
- corrupt
- defiant
- dirty
- disobedient
- disobliging
- disorderly
- disrespectful
- dissolute
- elfish
- errant
- evil
- exasperating
- fiendish
- fractious
- froward
- headstrong
- hot
- ill-mannered
- ill-natured
- immature
- impish
- impolite
- improper
- impudent
- inconsiderate
- indecorous
- infantile
- insolent
- insubordinate
- insurgent
- intractable
- jejune
- juvenile
- kiddish
- knavish
- lascivious
- lewd
- loose
- misbehaving
- mischievous
- monkeying
- monkeyish
- mutinous
- obstreperous
- off-color
- ornery
- perverse
- pixieish
- playful
- pornographic
- prankish
- puerile
- purple
- rascally
- raunchy
- rebellious
- recalcitrant
- refractory
- restive
- ribald
- roguish
- rough
- rowdy
- rude
- ruffianly
- selfish
- sinful
- steamy
- teasing
- thoughtless
- tough
- transgressing
- uncontrollable
- uncouth
- ungovernable
- unkind
- unkindly
- unmanageable
- unmannerly
- unruly
- untoward
- waggish
- wanton
- wayward
- wicked
- wild
- wilful
- willful
- worthless
- wrong
- wrongheaded
obsessed
- absorbed
- allured
- anxious
- ardent
- attracted
- bedeviled
- beguiled
- bemused
- beset
- bewitched
- busied
- captivated
- caught up
- charmed
- concerned
- controlled
- crazy
- distracted
- dogged
- dominated
- dotty
- enchanted
- engaged
- engrossed
- enthralled
- enwrapped
- fascinated
- fervent
- fervid
- feverish
- fiendish
- fixated
- foolish
- full
- gripped
- happy
- harassed
- haunted
- have on the brain
- held
- hogged
- hooked
- hung up
- hung up on
- hypnotized
- immersed
- immersed in
- impassioned
- infatuated
- interested
- into
- intrigued
- involved
- knee-deep
- mesmerized
- monopolized
- nuts
- occupied
- overpowered
- passionate
- plagued
- possessed
- preoccupied
- prepossessed
- queer
- really into
- seized
- silly
- taken over
- tied-up
- tormented
- troubled
- turned on
- up to here in
- worried
- wound up with
- wrapped up in