English to English
1. spread or diffuse through
An atmosphere of distrust has permeated this administration|music penetrated the entire building|His campaign was riddled with accusations and personal attacks
2. pass through
Water permeates sand easily
3. penetrate mutually or be interlocked
The territories of two married people interpenetrate a lot
4. To pass through the pores or interstices of; to penetrate and pass through without causing rupture or displacement; -- applied especially to fluids which pass through substances of loose texture; as, water permeates sand.