gestating, gravid, fruitful, enceinte (French), with child, big with child, parturient, hopeful, anticipating*, in a family way*, expecting*.
significant, consequential, weighty; see important 1.
"pregnant." YourDictionary, n.d. Web. 17 August 2018. <http://thesaurus.yourdictionary.com/pregnant>.
pregnant. (n.d.). Retrieved August 17th, 2018, from http://thesaurus.yourdictionary.com/pregnant
Carrying a developing fetus within the uterus:
Conveying hidden or unexpressed meaning: