1 in a way that produces the intended result or a successful resultThe company must reduce costs to compete effectively.You dealt with the situation very effectively.The truth of this statement has been effectively demonstrated in Chapter 1.Opposite
ineffectively2 used when you are saying what the facts of a situation areHe was very polite but effectively he was telling me that I had no chance of getting the job.The government has now effectively ruled out tax cuts.

ɪˈfektɪvli
ɪˈfektɪvli