POSTER'ITY, noun [Latin posteritas, from posterus, from post, after.] 1. Descendants; children, children's children, etc. indefinitely; the race that proceeds from a progenitor. The whole human race are the posterity of Adam. 2. In a general sense, succeeding generations; opposed to ancestors. To the unhappy that unjustly bleed, Heav'n gives posterity t' avenge the deed.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI