1.
groundbreaking, revolutionary
Marking a significant turning point; so innovative or important as to create a new era.
この発明は画期的なものだ。
This invention is groundbreaking.
画期的な治療法が開発された。
A revolutionary treatment method has been developed.
彼の研究は科学史において画期的だった。
His research was epoch-making in the history of science.
画期的な新製品を発表する。
We will announce a groundbreaking new product.
画期的 is a na-adjective formed from 画期 (epoch, era) + 的 (adjectival suffix).
FORMS:
- Adverbial: 画期的に
- Predicative: 画期的だ
- Attributive: 画期的な+noun
USAGE NOTE:
Used for major innovations, discoveries, or events that mark a turning point. Common in news, business presentations, and academic contexts. The word has a formal, elevated tone.
COLLOCATIONS:
- 画期的な発明 - groundbreaking invention
- 画期的な発見 - epoch-making discovery
- 画期的な技術 - revolutionary technology
- 画期的な出来事 - historic event
Related Words
Related:
革新的 (innovative)