1. the process or result of becoming dull or making something dull

1. present participle of dull; making or becoming less sharp, bright, or intense

Examples

• The constant use was dulling the knife’s edge.
• Years of exposure were dulling the paint’s vibrant colors.
• The medication had a dulling effect on his senses.
• She noticed a gradual dulling of her enthusiasm for the project.
• The dulling of the blade made cutting vegetables difficult.
• Time caused a dulling of the once-brilliant finish.
• The repetitive work was dulling his creativity.