Subtle — synonyms, definition

1. subtle (a)

abstruse acute airy apt arcane arch artful astute biting blear bleary canny captious cat cat-like clever confusing crafty cunning deceitful • • •

2. subtle (Adjective)

pernicious

subtle (Adjective) — Difficult to detect or grasp by the mind or analyse. ex. "his whole attitude had undergone a subtle change" ex. "a subtle difference"

subtle (Adjective) — Able to make fine distinctions. ex. "a subtle mind"

subtle (Adjective) — Working or spreading in a hidden and usually injurious way. ex. "a subtle poison"