Synonyms for Gravid:

adj.

pregnant (adjective)
enceinte, Expecting, big, expectant, parturient, heavy, in a family way.

n.

reproduction, in a family way, Expecting, parturient, gone. gravid (noun)
expectant, with child, large, pregnant, enceinte, big, great, heavy.

Other synonyms:

parturient. Expecting. gone. Other relevant words:
parturient, in a family way, Expecting, gone, big.