To spread (something) over or through as in air, water, or other matter, especially by fluid motion or passive means.
The small window diffuses light throughout the room.
To be spread over or through as in air, water, or other matter, especially by fluid motion or passive means.
Food coloring diffuses in water.
Everywhere or throughout everything; not focused or concentrated.
Such a diffuse effort is unlikely to produce good results.
From Middle French diffuser, from Latin diffūsus, past participle of diffundere, from dis- + fundere.
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Wordy; verbose.