epochal
7 letters · adjective · scores 1,800 in SpellHuntr
adjective
highly significant or important especially bringing about or marking the beginning of a new development or era
Epochal in a sentence
But they were the great epochal design; their influence on locomotive development is felt to this day and their niche in railway history is secure.
It had been an epochal decade for cancer epidemiology, but equally, an epochal decade for tobacco.
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