Definition of "diffuse" in English

verb

1. (transitive) 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.
   • Ideas are easily diffused with the help of technology.

2. (intransitive) 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.
   • The riot diffused quite suddenly.

adjective

1. Everywhere or throughout everything; not focused or concentrated.

   • Such a diffuse effort is unlikely to produce good results.
   • diffuse activity of the prefrontal cortex

2. Wordy; verbose.