fiendishly
In devilish manner
Fiendishly means in a manner suggesting a fiend—wicked, cruel, or diabolically clever.
It often describes something extremely difficult or complex: a fiendishly hard puzzle, fiendishly complicated instructions.
The word can also suggest gleeful malice: He grinned fiendishly as he revealed his plan.
With mental sharpness
- ingeniouslyWith inventive skill
- craftilyIn a scheming manner
- devilishlyIn a wicked manner
- shrewdlyWith keen discernment
slyly · artfully · deviously · calculatingly · brilliantly · diabolically · mastermind · scheming
Of or like devils
- satanicExtremely wicked or cruel
- infernalOf the underworld
- hellishExtremely unpleasant or cruel
- devilishWicked or impish
evil · sinister · malevolent · nefarious · villainous · malicious · ghoulish · macabre
Having many interconnected parts
- complicatedDifficult to understand
- challengingHard to accomplish
- intricateElaborately detailed, many parts
- puzzlingCausing confusion or bewilderment
perplexing · demanding · taxing · grueling · arduous · torturous · maddening · frustrating
cleverly
With mental sharpness
- ingeniouslyWith inventive skill
- craftilyIn a scheming manner
- devilishlyIn a wicked manner
shrewdly · slyly · artfully · deviously · calculatingly · brilliantly · diabolically · mastermind · scheming · plotting
demonic
Of or like devils
devilish · evil · sinister · malevolent · nefarious · villainous · malicious · ghoulish · macabre · wicked
complex
Having many interconnected parts
- complicatedDifficult to understand
- challengingHard to accomplish
- intricateElaborately detailed, many parts
puzzling · perplexing · demanding · taxing · grueling · arduous · torturous · maddening · frustrating · impossible
fiendishlyangelically
In saintly manner
saintly · benevolently · kindly · gently · compassionately
fiendishlysimply
In plain terms
easily · straightforwardly · trivially · effortlessly · plainly
fiendishlyangelically
In saintly manner
divinely · saintly · beatifically · heavenly · seraphically