Meaning of effective In English

• 0 successful or achieving the results that you want:

  • The lighting for the production made a very effective use of shadow.

  • She's a very effective teacher.

  • This style of decoration is simple yet effective.

  • How effective a drug is depends on many factors, including how consistently the patient follows the instructions for taking it.

  • It's an extremely effective cure for a headache.

• 1 in fact, although not officially:

  • Although she's not officially our boss, she's in effective control of the office.

• 2 If a law or rule becomes effective, it starts to be used:

  • The new laws will become effective next month.

• 3 producing the intended results, or (of a person) skilled or able to do something well:

  • an effective policy/strategy

  • We’ve found that giving away samples of our product is the most effective way to promote it.

  • She’s an effective administrator and knows how to get things done.

• 4 (of rules or laws) in official or legal use:

  • The law becomes effective next month.

• 5 successful in achieving the result that you want:

  • You need a workable, effective strategy for developing your business.

  • Personal charisma alone does not make someone an effective leader.

  • The consumer council must have clear duties and strong powers if it is to be effective.

• 6 having started to operate or be used:

  • The new Investment Management Agreements became effective on 1st November.

  • He announced his resignation, effective immediately.

• 7 used to describe what is actually true, although it may not be intended or stated:

  • The remainder of the stock is owned by a consortium of banks which are in effective control of the hotel.