Subtle_ Kollektiv_

subtle, a. 1. Of fine or delicate texture or composition. Obs. exc. arch. 2. Of immaterial things: Not easily grasped, understood, or perceived; intricate, abstruse. 3. Of craftsmen, etc.: Skilful, clever, expert, dexterous. (Const. of.) arch. 4. Of things: Characterized by cleverness or ingenuity in conception or execution; cleverly designed or executed, artfully contrived. Obs. 5. Of persons, their faculties, actions: Characterized by penetration, acumen, or discrimination. 6. Working imperceptibly or secretly, insidious.