1. born in wedlock; legitimate
Usage: formal; somewhat archaic
2. genuine; authentic; having the true characteristics of something
Usage: literary

Examples

• The king’s trueborn heir would inherit the throne.
• Only trueborn citizens could hold certain offices in ancient Rome.
• He was a trueborn gentleman with impeccable manners.
• The document proved she was the trueborn daughter of the nobleman.
• A trueborn patriot would never betray his country.
• The trueborn son had legal rights that others did not possess.