(かっきてき)

かっきてき
na-adjective
groundbreaking, epoch-making
formalacademicbusinessdescriptive
1. groundbreaking, revolutionary
Marking a significant turning point; so innovative or important as to create a new era.
この発明(はつめい)画期的(かっきてき)もの
This invention is groundbreaking.
A revolutionary treatment method has been developed.
His research was epoch-making in the history of science.
We will announce a groundbreaking new product.

画期的(かっきてき) is a na-adjective formed from 画期(かっき) (epoch, era) + (てき) (adjectival suffix).

Forms

  • Adverbial: 画期的(かっきてき)
  • Predicative: 画期的(かっきてき)
  • Attributive: 画期的(かっきてき)+noun

Usage

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.

Common collocations