subtle

Synonyms: attenuate attenuated deep discriminating ethereal exquisite faint fine finespun hairline hairsplitting illusive implied inconspicuous indirect indistinct inferred ingenious insinuated mental penetrating profound refined slight sophisticated suggestive tenuous thin understated

Antonyms: hard harsh noisy unsubtle

Synonyms: analytic analytical artful astute complex crafty deep designing detailed devious dexterous exacting foxy guileful insidious intriguing keen penetrating perceptive precise ratiocinative scheming shrewd skillful sly wily

Antonyms: forthright honest open