- a decline in the effective demand.
- a lotion that is effective in cases of prickly heat.
- a warranty good for two years.
- an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation.
- an effective reprimand.
- an efficacious law.
- an efficient secretary.
- confused increased equipment and expenditure with the quantity of effective work done.
- effective personnel.
- effective steps toward peace.
- effective teaching methods.
- his complaint proved to be effectual in bringing action.
- made an effective entrance.
- people who will do nothing unless they get something out of it for themselves are often highly effective persons....
- the efficient cause of the revolution.
- the fort was held by about 100 effective soldiers.
- the law is already in effect (or in force).
- the law is effective immediately.