Definitions for effectiveɪˈfɛk tɪv

This page provides all possible meanings and translations of the word effective

Random House Webster's College Dictionary

ef•fec•tive*ɪˈfɛk tɪv(adj.)

  1. adequate to accomplish a purpose; producing the intended or expected result:

    effective teaching methods.

  2. in operation or in force; functioning; operative:

    The law becomes effective at midnight.

  3. producing a deep or vivid impression; striking:

    an effective photograph.

  4. prepared and available for service, esp. military service.

    Category: Military

  5. (n.)a member of the armed forces fit for duty or active service.

    Category: Military

* Syn: effective , effectual , efficacious , efficient refer to that which produces or is able to produce an effect. effective is applied to something that produces a desired or expected effect, often a lasting one: an effective speech. effectual usu. refers to something that produces a decisive outcome or result: an effectual settlement. efficacious refers to something capable of achieving a certain end or purpose: an efficacious remedy. efficient , usu. used of a person, implies skillful accomplishment of a purpose with little waste of effort: an efficient manager.

Origin of effective:

1350–1400; ME < L effectīvus=effect(us), ptp. of efficere (see effect ) +-īvus -ive



Princeton's WordNet

  1. effective, effectual, efficacious(adj)

    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"-LewisMumford; "effective teaching methods"; "effective steps toward peace"; "made an effective entrance"; "his complaint proved to be effectual in bringing action"; "an efficacious law"

  2. effective, efficient(adj)

    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..."-G.B.Shaw; "effective personnel"; "an efficient secretary"; "the efficient cause of the revolution"

  3. effective(adj)

    works well as a means or remedy

    "an effective reprimand"; "a lotion that is effective in cases of prickly heat"

  4. effective, good, in effect(p), in force(p)(adj)

    exerting force or influence

    "the law is effective immediately"; "a warranty good for two years"; "the law is already in effect (or in force)"

  5. effective(adj)

    existing in fact; not theoretical; real

    "a decline in the effective demand"; "confused increased equipment and expenditure with the quantity of effective work done"

  6. effective(adj)

    ready for service

    "the fort was held by about 100 effective soldiers"

Kernerman English Learner's Dictionary

  1. effective(adjective)ɪˈfɛk tɪv

    ≠ ineffective

    a very effective technique; a medicine that is not effective in the treatment of colds

  2. effectiveɪˈfɛk tɪv

    in use or having an impact

    new laws effective from January 1st; the effectiveness of the new technique


  1. effective(Adjective)

    Having the power to produce a required effect or effects.

    The pill is an effective method of birth control.

  2. effective(Adjective)

    Producing a decided or decisive effect.

    The president delivered an effective speech!

  3. effective(Adjective)

    Efficient, serviceable, or operative, available for useful work.

  4. effective(Adjective)

    Actually in effect.

    The curfew is effective at midnight.

Webster Dictionary

  1. Effective(adj)

    having the power to produce an effect or effects; producing a decided or decisive effect; efficient; serviceable; operative; as, an effective force, remedy, speech; the effective men in a regiment

  2. Effective(noun)

    that which produces a given effect; a cause

  3. Effective(noun)

    one who is capable of active service

  4. Effective(noun)

    specie or coin, as distinguished from paper currency; -- a term used in many parts of Europe

British National Corpus

  1. Spoken Corpus Frequency

    Rank popularity for the word 'effective' in Spoken Corpus Frequency: #985

  2. Written Corpus Frequency

    Rank popularity for the word 'effective' in Written Corpus Frequency: #1864

  3. Adjectives Frequency

    Rank popularity for the word 'effective' in Adjectives Frequency: #119

Translations for effective

Kernerman English Multilingual Dictionary


having power to produce, or producing, a desired result

These new teaching methods have proved very effective.

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