The verb suffuse means to spread and fill a space, like the way the smell of wildflowers might suffuse a meadow.

Suffuse is a synonym for steep. Like tea whose flavor grows stronger the more it steeps, when you suffuse something it spreads throughout until an area is full, or even overly full. Another synonym, infuse, looks a lot like suffuse. Both words come from the Latin word fundere, which means "to pour."

Definitions of suffuse

v cause to spread or flush or flood through, over, or across

“The sky was suffused with a warm pink color”
Type of:
cause to flow or flood with or as if with water

v become overspread as with a fluid, a colour, a gleam of light

“His whole frame suffused with a cold dew”
Type of:
undergo a change; become different in essence; losing one's or its original nature

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