impregnate something with something
1. Lit. to saturate something with something; to penetrate something with some fluid. They impregnated the boards with a wood preservative. The process impregnated the fibers with a bright yellow dye.
2. Fig. to put something negative into something. You have impregnated the entire matter with unpleasantness. The whole scheme has been impregnated with needless flaws.