► 名詞
効果 [(1)こうか] meaning: effect rank: 2
☆ 彼には怒鳴っても効果が無い ⇨ Yelling at him won’t do any good
☆ 映画の特殊効果 ⇨ Movie special effects
☆ 薬の効果がやっと現れてきた ⇨ The medication has finally taken effect
効果 [(1)こうか] meaning: result rank: 2
☆ 政府の経済政策は期待された効果を上げていない ⇨ The economy policy of the government hasn’t achieved the expected result (☛ An intended result)
More examples:
- その治療は余り効果的ではなかった ⇨ The treatment was not very effective
 - 彼は首相の政策は効果が無いと反論した ⇨ He argued that the prime minister’s policy is ineffective
 - 彼等二人で合作することで相乗効果が生まれた ⇨ Their collaboration led to a synergy
 - その治療には何の効果も無かった ⇨ The treatment had not effect whatsoever
 - 洪水には大地を肥やすという効果も有る ⇨ Flooding has a function of enriching soils
 - この治療法の効果は未だ定かでない ⇨ The effectiveness of this treatment is not yet certain
 - この製品は初心者でも手軽且つ効果的に使うことが出来る ⇨ This product can be used easily and also effectively even by a beginner
 - その薬は絶大な効果を発揮した ⇨ The drug has worked to the greatest effect
 - 本当に効果が有るのか少し興味がある ⇨ I am a little curious if it really is effective
 - この薬の効果には疑問が有る ⇨ There is a question about the efficacy of this drug
 - 温室効果ガスの排出量を低減することが必要だ ⇨ It is necessary to reduce the emission of greenhouse gases
 - その薬は効果てきめんだった ⇨ The medication was very effective immediately
 - この薬の効果は絶大だ ⇨ The efficacy of this medication is extremely high
 - 似た意味の単語を連想して覚えるのは非常に効果的だ ⇨ It is very effective to learn similar words by associating them together
 - 殺菌効果のある石鹸 ⇨ A soap with antibacterial effect