1. epoch-making - Adjective
2. epoch-making - Adjective Satellite
highly significant or important especially bringing about or marking the beginning of a new development or era
Source: WordNetIt is an absolutely unique success of the church community to have introduced such an epoch-making change, in just a few years, without having a serious division. Hans Küng
We shall be inclined to pronounce the voyage that led to the way to this New World as the most epoch-making event of all that have occurred since the birth of Christ. John Fiske
epochal decisions made by Roosevelt and Churchill Source: Internet
an epoch-making discovery Source: Internet
Anyway, congratulations to Known Person Senator Patrick Leahy for his epoch-making burn. Source: Internet
Covid-19 is an epoch-making event, but will it drive us towards the precipice of history? Source: Internet