devillish

Adjective

devilish (comparative more devilish, superlative most devilish)

1. Resembling a devil.
   • Let vs put on our meet incountering mindes, / And in deteſting ſuch a diueliſh Thiefe, / In loue of honor and defence of right / Be arm’d againſt the hate of ſuch a foe, / Whether from earth, or hell, or heauen he grow.c. 1587–1588 (date written), [Christopher Marlowe], Tamburlaine the Great. […] The First Part […], 2nd edition, part 1, London: […] [R. Robinson for] Richard Iones, […], published 1592, →OCLC...

   Synonyms:

   demoniac, demonic, diabolic, diabolical, hellish, infernal, fiendish, satanic, satanical, unhallowed

2. Evil, wicked.
   • For I abhore to smatter / Of one so deuyllysshe a matter.a. 1530 (date written), John Skelton, “Here after Foloweth a Lytell Boke, whiche hath to Name Why Come Ye Nat to Courte? […]”, in Alexander Dyce, editor, The Poetical Works of John Skelton: […]...

   Synonyms:

   atrocious, deuced, malicious, mischievous, nefarious, ogreish, reprobate, abandoned, arrant, bad

3. Roguish or mischievous.
   • a devilish grin

   Synonyms:

   cheeky, impish, naughty

4. (informal) Excessive, extreme.
   • A devilish effort yielded a devilish success.

   Synonyms:

   lavish, wanton, excessive, horrendous, de trop, extravagant, extreme, immoderate, intemperate, nimious

See all 5 meanings of devilish