1. made thin, fine, or delicate; refined or purified
Usage: archaic; technical
2. made more subtle or sophisticated in reasoning or argument
Usage: formal; rare

Examples

• The alchemist subtilized the metal through repeated heating and cooling.
• Her argument was subtilized through careful revision and analysis.
• The philosopher subtilized his theory to address the critics’ concerns.
• The distillation process subtilized the essence from the crude material.
• Over time, his understanding of the concept became subtilized through study.
• The artist subtilized her technique to achieve greater delicacy in her work.