weighty
Cross references: 1. heavy weighty \'wa-t-e-\ aj 1a: of much importance or consequence : MOMENTOUS 1b: SOLEMN 2a: weighing a considerable amount : CORPULENT 2b: heavy in proportion to its bulk {~ metal} 3: POWERFUL, TELLING {~ arguments}
Cross references: 1. heavy weighty \'wa-t-e-\ aj 1a: of much importance or consequence : MOMENTOUS 1b: SOLEMN 2a: weighing a considerable amount : CORPULENT 2b: heavy in proportion to its bulk {~ metal} 3: POWERFUL, TELLING {~ arguments}