[{"Bold_text": "adjective", "List Items": ["thin, tenuous, or rarefied, as a fluid or an odor.", "fine or delicate in meaning or intent; difficult to perceive or understand:subtle irony.", "delicate or faint and mysterious:a subtle smile.", "requiring mental acuteness, penetration, or discernment:a subtle philosophy.", "characterized by mental acuteness or penetration:a subtle understanding.", "cunning, wily, or crafty:a subtle liar.Synonyms: slick , foxy , tricky , sly", "insidious in operation:subtle poison.", "skillful, clever, or ingenious:a subtle painter."]}]