Carrying developing offspring within the body. Weighty or significant; full of meaning: a conversation occasionally punctuated by pregnant pauses. Of great or potentially great import, implication, or moment: "It was a politically pregnant time in Poland\u201d ( New York). Filled or fraught; replete: "This was, from the Party's point of view, both deplorable in itself and pregnant with danger for the future\u201d ( Robert Conquest). Having a profusion of ideas; creative or inventive. Producing results; fruitful: a pregnant decision. Archaic Convincing; cogent. Used of an argument or a proof.