epochal

• 形容事件或时刻极其重要，标志着一个新时代或新时期的开始。

Describes an event or moment that is extremely important and marks the beginning of a new era or period.

1. Highly significant or importantC1formal

   Marking the beginning of a new era or development; extremely significant.

   划时代的

   • The invention of the printing press was an epochal event in human history.
   • Her epochal discovery changed the field of medicine forever.
   • The fall of the Berlin Wall was an epochal moment for Europe.

   同义词groundbreakinghistoriclandmarkmomentouspivotalrevolutionary

   反义词insignificantminornegligibletrivialunimportant