Adjective pregnant has 3 senses
  1. pregnant - carrying developing offspring within the body or being about to produce new life
  2. meaning, pregnant, significant - rich in significance or implication; "a meaning look"; "pregnant with meaning"
    Antonyms: meaningless, nonmeaningful (indirect, via meaningful)
  3. fraught, pregnant - filled with or attended with; "words fraught with meaning"; "an incident fraught with danger"; "a silence pregnant with suspense"
    Antonym: empty (indirect, via full)