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Valid in these dictionaries

TWL/NWL (Scrabble US/CA/TH)
SOWPODS/CSW (Scrabble UK / ALL)
ENABLE (Words with Friends)

Meaning of effective

1 definition found

From WordNet (r) 3.0 (2006) [wn]:

  effective
      adj 1: 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" [syn:
             {effective}, {effectual}, {efficacious}] [ant:
             {ineffective}, {ineffectual}, {uneffective}]
      2: 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" [syn:
         {effective}, {efficient}]
      3: works well as a means or remedy; "an effective reprimand"; "a
         lotion that is effective in cases of prickly heat"
      4: exerting force or influence; "the law is effective
         immediately"; "a warranty good for two years"; "the law is
         already in effect (or in force)" [syn: {effective}, {good},
         {in effect(p)}, {in force(p)}]
      5: 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: ready for service; "the fort was held by about 100 effective
         soldiers"

Source : WordNet ® Princeton University. 2010.

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OCTWL / TWL : The official dictionary for scrabble game in United States, Canada and Thailand.
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