(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)時間(じかん)使(つか)う。
To use time effectively.
この(くすり)風邪(かぜ)効果的(こうかてき)です。
This medicine is effective against colds.
効果的(こうかてき)学習(がくしゅう)方法(ほうほう)(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)方法(ほうほう): effective method
  • 効果的(こうかてき)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.