trickiest
Hardest to solve
Trickiest is the superlative form of tricky—the most difficult, deceptive, or requiring the most care.
A tricky situation demands caution; the trickiest one demands the most: That was the trickiest part of the whole operation.
It can describe cunning people or problems that resist straightforward solutions.
Hard to accomplish
- hardestSuperlative of tough
- toughestMost difficult or resilient
- puzzlingCausing confusion or bewilderment
- perplexingCausing mental confusion
baffling · confounding · thorny · knotty · problematic · vexing · taxing · arduous
Superlative of tough
Most covertly cunning
- craftiestMost sly and scheming
- wiliestMost cunningly shrewd
- slyestMost cunningly deceptive
- slipperiestMost lacking in friction
Creating false impressions
manipulative · devious · underhanded · sneaky · slippery · calculating · conniving · duplicitous
Campaigning for office
- head-scratchingCausing bewilderment or confusion
- brain-bendingExtremely difficult to comprehend
- mind-bogglingOverwhelmingly difficult to grasp
challenging
Hard to accomplish
- hardestSuperlative of tough
- toughestMost difficult or resilient
- puzzlingCausing confusion or bewilderment
perplexing · baffling · confounding · thorny · knotty · problematic · vexing · taxing · arduous · formidable
hardest
Superlative of tough
sneakiest
Most covertly cunning
deceptive
Creating false impressions
scheming · manipulative · devious · underhanded · sneaky · slippery · calculating · conniving · duplicitous · guileful
stumping
Campaigning for office
- head-scratchingCausing bewilderment or confusion
- brain-bendingExtremely difficult to comprehend
- mind-bogglingOverwhelmingly difficult to grasp
cleverest
Most mentally agile