|Producing or capable of producing an intended result or having a striking effect.|
An air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation.
Effective teaching methods.
Effective steps toward peace.
Made an effective entrance.
His complaint proved to be effectual in bringing action.
An efficacious law.
|Able to accomplish a purpose; functioning effectively.|
People who will do nothing unless they get something out of it for themselves are often highly effective persons.
An efficient secretary.
The efficient cause of the revolution.