1. spread out over a large area; not concentrated
2. softened or made less harsh by scattering
Usage: often used with light

Examples

• The diffused sunlight created a gentle glow in the room.
• Her knowledge was too diffused across many subjects to be truly expert in any.
• The photographer used a diffused flash to avoid harsh shadows.
• The company’s resources were diffused among too many projects.
• Diffused lighting makes the space feel more comfortable.
• The pollution created a diffused haze over the city.