効 果 的(こうかてき)

こうかてき

na-adjective

effective

1. effective, productive

Producing a desired or intended result; having an effect.

効果的(こうかてき)に時間(じかん)を使(つか)う。

To use time effectively.

この薬(くすり)は風邪(かぜ)に効果的(こうかてき)です。

This medicine is effective against colds.

効果的(こうかてき)な学習(がくしゅう)方法(ほうほう)を探(さが)しています。

I'm looking for an effective study method.

効果的(こうかてき) is a na-adjective meaning effective or productive.

FORMS:

Adverbial: 効果的(こうかてき)に (effectively)
Noun stem: 効果(こうか) (effect, result)

COMMON PATTERNS:

〜に効果的(こうかてき): effective for/against ~
効果的(こうかてき)な方法(ほうほう): effective method
効果的(こうかてき)に使(つか)う: to use effectively

SIMILAR WORDS:

有効(ゆうこう): valid, effective (often for tickets, contracts)
効率的(こうりつてき): efficient (focus on minimal waste)

Common in business, medical, and educational contexts.

Related Words

Synonym: 有効(ゆうこう) (valid, effective)

Contrast: 効率的(こうりつてき) (efficient)

general

Added 2026.1.16 8:54 · Revised 2026.6.3 2:10

04500/04793_koukateki