| 1. | the state or quality of being subtle. |
| 2. | delicacy or nicety of character or meaning. |
| 3. | acuteness or penetration of mind; delicacy of discrimination. |
| 4. | a fine-drawn distinction; refinement of reasoning: the subtleties of logic. |
| 5. | something subtle. |
| 6. | History/Historical. an elaborate confection, ornate in construction and ornamentation, sometimes edible but more often made and used as a decoration for a table or buffet. |