INES'TIMABLE, adjective [Latin inoestimabilis. See Estimate.] 1. That cannot be estimated or computed; as an inestimable sum of money. 2. Too valuable or excellent to be rated; being above all price; as inestimable rights. The privileges of American citizens, civil and religious, are inestimable
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI