na-adjective, noun
Describes a plan, method, trick, or design that is cleverly thought out and skillfully executed, often with a nuance of being artful or cunning.
犯人は巧妙な手口で警察を欺いた。
The criminal deceived the police with an ingenious method.
彼の巧妙な話術にすっかり感心した。
I was thoroughly impressed by his clever way of speaking.