1. to make pregnant; to cause to conceive
2. to saturate or soak thoroughly with a substance
3. to fill or pervade completely

Examples

• The sperm impregnates the egg during fertilization.
• The wood is impregnated with a protective chemical coating.
• The fabric impregnates with water when exposed to rain.
• Her speech impregnates the audience with hope and determination.
• The soil impregnates with nutrients from the decomposed leaves.