To make pregnant; to cause to conceive; to render prolific; to get with child or young.
- To make pregnant; inseminate.
- To fertilize (an ovum, for example).
- To fill throughout; saturate: a cotton wad that was impregnated with ether.
- To permeate or imbue: impregnate a speech with optimism. See Synonyms at charge.
- Saturated or filled.