fiendish

Meaning

1. Sinister; evil; like a fiend.
2. Very difficult.

Synonyms

devilish

diabolic

diabolical

hellish

satanic

demoniac

inhuman

demonic

atrocious

infernal

evil

treacherous

cruel

heinous

brutal

unholy

villainous

violent

wicked

machiavellian

cacodemonic

of a fiendish character

implike

darkly wicked

cacodemonical

barbarian

bloody-minded

damnable

demoniacal

despicable

devil

fearsome

fiend

fierce

frightening

harmful

heartless

impish

sulphurous

vicious

Translations

diabolique

teuflisch

diabólico

diabolico

demoniaco

duivels

sinistro

diabólico

satanique

satané

démoniaque

σατανικός

μοχθηρό

μοχθηρή

Pronounced as (IPA)

/ˈfiːndɪʃ/

Etymology

From fiend + -ish.