Suffuse/səˈfjuːz/ Definition 1 of 2Pro Tip 1/3Spreading Sensation Often used to describe sensations or feelings that slowly fill an area or space. Warmth suffused the room as the fire grew. Pro Tip 2/3Soft Transition Suffuse indicates a gentle or gradual introduction rather than a sharp change. Dusk suffused the sky, turning it pink and orange. Pro Tip 3/3Emotional Subtlety Can express a change in emotion that becomes visible to others, usually in a restrained way. Pride suffused his expression after the applause.