Answer: subtle

AnswerCrossword Clue
SUBTLENonobvious
subtledifficult to perceive; delicate or fine
subtleclever
subtleinsidious, also SUBTILE
subtlediscerning
SUBTLERarefied
SUBTLEDelicately suggestive
SUBTLEInsidious
SUBTLENot so easy to dig?
SUBTLENot obvious
SUBTLEArcane
SUBTLEFaint
SUBTLENot blatant
SUBTLELike some hints
SUBTLETricky; elusive
SUBTLEDevious
SUBTLEShrewd.
SUBTLEDiscerning.
SUBTLEHard to get
SUBTLENuanced
SUBTLECrafty
SUBTLEDifficult to understand
SUBTLEFar from obvious
SUBTLEEasy to overlook
SUBTLEBetween-the-lines
SUBTLEUnderstated