The definition of tricky is something that must be done carefully with great skill, or someone who is known to be deceitful.
Accomplished; adept; clever; ingenious
Foxlike; crafty; wily; sly
Subtly deceitful; sly; cunning; artful
So slight as to be difficult to detect or describe; elusive:
The definition of sneaky is someone who is deceptive or sly, or is something secret and reluctant.
(Archaic) Scolding, satirical, sharp.
Fierce or impetuous; violent:
(Scot.) Careful in action; gentle; easy; quiet
Find another word for wiliest. In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for wiliest, like: trickiest, slyest, slickest, foxiest, craftiest, subtlest, sneakiest, smoothest, shrewdest, sharpest and canniest.