definition of
interpenetrate

[1] #1 interpenetrate v. [permeate] penetrate mutually or be interlocked; "The territories of two married people interpenetrate a lot". wn

[2] #2 interpenetrate v. [permeate, pervade, penetrate, diffuse, imbue, riddle] 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". wn