<p><strong>Noun</strong></p><ul><li>the state or quality of being subtle.</li><li>delicacy or nicety of character or meaning.</li><li>acuteness or penetration of mind; delicacy of discrimination.</li><li>a fine-drawn distinction; refinement of reasoning: the subtleties of logic.</li><li>something subtle.</li><li>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.</li></ul>