Effective
な adjective
Remember how 効果 means "effect"? Add ~like to that and it's effective!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
でも、あなたのチームは効率的だけど効果的ではないよね。
Well, your team is efficient but not effective, don’t you think?
眠気を覚ますのに効果的なツボはどこですか。
Where are the pressure points that are effective at shaking off drowsiness?
ウォーキングが最も効果的なのは、朝だと言われています。
It is said that walking is most effective in the morning.
効果的にやせるには、睡眠時間をしっかり確保することが大切です。
To effectively lose weight, it is important to get a good night's sleep.
成果主義の給与制度は、良い社員を引き込む最も効果的で公平な方法である。
Performance based salaries are the most effective and fairest ways to attract good workers.