1. plural of dullness; the quality or state of being dull in appearance, brightness, or color
2. plural of dullness; the quality or state of being dull in interest, excitement, or liveliness
3. plural of dullness; the quality or state of being dull in sharpness or keenness

Examples

• The dullnesses of the old paintings made them difficult to appreciate.
• The dullnesses of the lecture put many students to sleep.
• We tried to overcome the dullnesses of winter by planning outdoor activities.
• The dullnesses in her voice suggested she was not interested in the conversation.
• He complained about the dullnesses of his daily routine.
• The dullnesses of the blade made it unsafe to use in the kitchen.