PLEN'TIFUL, adjective [from plenty.] Copious; abundant; adequate to every purpose; as a plentiful crop of grain; a plentiful harvest; a plentiful supply of water; a plentiful fortune. 1. Yielding abundant crops; affording ample supply; fruitful; as a plentiful year.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI