(こころ)

こころみ
noun
attempt, trial, experiment
1. attempt, trial, experiment
An effort to do something new or challenging, often with an element of uncertainty about the outcome. Implies a deliberate, thoughtful undertaking rather than a casual try.
(あたら)しい(こころ)みを(はじ)めた。
I started a new experiment.
その(こころ)みは成功(せいこう)するかどうかわからない。
I don't know if that attempt will succeed.
地域(ちいき)活性化(かっせいか)()けた(こころ)みとして、マルシェを開催(かいさい)した。
As an initiative to revitalize the region, a marché was held.

USAGE:
(こころ)み is the noun form of the verb (こころ)みる (to try, to attempt). It has a more thoughtful and deliberate nuance than the casual 挑戦(ちょうせん) (challenge). It often appears in news, essays, and formal discussions about innovative projects or experiments.

COMMON COLLOCATIONS:

  • (あたら)しい(こころ)み: a new attempt/initiative
  • (こころ)みとして: as an experiment/trial
  • 大胆(だいたん)(こころ)み: a bold attempt
  • (こころ)みが(みの)る: an attempt bears fruit
  • 画期的(かっきてき)(こころ)み: a groundbreaking initiative

SIMILAR WORDS:
(こころ)み emphasizes deliberate experimentation. 挑戦(ちょうせん) (challenge) implies taking on something difficult with a competitive spirit. 試行(しこう) (trial run) is more technical and procedural.