far-reaching
adjective
a far-reaching change in the law:
extensive, wide-ranging, radical, profound, comprehensive, widespread, all-embracing, overarching, across the board, sweeping, blanket, wholesale;
important, significant, major, of great import, of significance, ambitious, momentous, life-changing, of moment, weighty, consequential, of consequence.
▷antonyms limited, insignificant.