Diffuse

[Sarah]

To pour out and cause to spread, as a fluid; to cause to flowon all sides; to send out, or extend, in all directions; to spread;to circulate; to disseminate; to scatter; as to diffuse information.Thence diffuse His good to worlds and ages infinite. Milton.We find this knowledge diffused among all civilized nations. Whewell.

[Sarah]

If something is diffuse, it is very spread out or scattered.

[Agnes]

to (cause something to) spread in many directions:

[Merna]

Spread or cause to spread over a wide area or among a large number of people.