Big Huge Thesaurus

fiendish

adjective

• demonic
• diabolic
• diabolical
• hellish
• infernal
• satanic
• unholy

similar terms

• evil

sounds kind of like

• fanatic
• fantasia
• fantasise
• fantasize
• fantasy
• fantods
• finnan haddock
• fuentes
• fumed oak
• funds
• fundus

rhymes with

• abolish
• accomplish
• admonish
• amish
• anguish
• astonish
• banish
• barish
• beamish
• bearish
• blemish
• blowfish
• bookish
• boorish
• brackish
• brandish
• british
• brownish
• brutish
• bullish
• burnish
• cavendish
• cherish
• childish
• churlish
• clannish
• cornish
• crayfish
• danish
• demolish
• dervish
• devilish
• diminish
• distinguish
• dovish
• embellish
• english
• establish
• extinguish
• faddish
• fetish
• finish
• finnish
• flemish
• foolish
• frankish
• furbish
• furnish
• garish
• garnish
• ghoulish
• girlish
• greenish
• hagfish
• hashish
• hawkish
• hellish
• horseradish
• impish
• impoverish
• irish
• killifish
• kurdish
• languish
• lavish
• lettish
• longish
• mawkish
• moorish
• nightmarish
• outlandish
• parish
• parrish
• peevish
• perish
• pinkish
• polish
• prudish
• publish
• puckish
• punish
• purplish
• radish
• raffish
• rakish
• reddish
• reestablish
• refinish
• refurbish
• relinquish
• relish
• replenish
• rightish
• rubbish
• scottish
• selfish
• sheepish
• skirmish
• skittish
• slavish
• sluggish
• smallish
• snobbish
• spanish
• squeamish
• standish
• stylish
• swedish
• tarnish
• ticklish
• turkish
• vanish
• vanquish
• varnish
• whitish
• yiddish