fiendish

• 形容极其残忍、恶毒或令人不快的事物；也常用来强调某事物极其困难或复杂。

Describes something extremely cruel, unpleasant, or difficult; often used to emphasize the challenging or evil nature of a thing or person.

1. Cruel or evilC1formal

   Extremely cruel, wicked, or malicious in nature.

   恶魔般的

   • The villain devised a fiendish plan to destroy the city.
   • His fiendish laughter echoed through the dark castle.
   • The dictator's fiendish policies caused widespread suffering.

   同义词atrociousbarbarouscrueldemonicdevilishdiabolicalevilheinousiniquitousmaliciousmonstrousnefarioussatanicvillainouswicked

   反义词benevolentcompassionategoodhumanekindkindheartedmerciful

2. Extremely difficult or complexC1informal

   Used to describe a problem or task that is very challenging or intricate.

   极其困难

   • The crossword puzzle was fiendishly difficult.
   • She solved the fiendish math problem in minutes.
   • The final level of the game is absolutely fiendish.

   同义词complexcomplicatedformidableintricateknottyproblematicalthornytricky

   反义词easysimplestraightforwardtrivial