"Effective" validity in different word game dictionaries

Dictionary Validity
Scrabble US(US/Canada/Thailand - TWL/NWL) Yes
Scrabble UK(International - SOWPODS/CSW) Yes
Words with Friends(WWF) Yes

"effective" Definition

  1. producing the result that is wanted or intended; producing a successful result
  2. [only before noun] in reality, although not officially intended
  3. (formal) (of laws and rules) coming into use

"effective" Synonyms & Antonyms

"effective" synonyms:

  • effectual,
  • productive,
  • useful,
  • efficacious,
  • potent,
  • helpful,
  • valuable,
  • viable,
  • beneficial,
  • capable,
  • good,
  • usable,
  • useable,
  • valid,
  • applicable,
  • efficient,
  • fit,
  • functional,
  • powerful

"effective" antonyms:

  • ineffective,
  • useless,
  • impotent,
  • inadequate,
  • incapable,
  • ineffectual,
  • inexpedient,
  • invalid,
  • nonfunctional,
  • prohibitive,
  • unsuccessful,
  • unsuitable,
  • bad,
  • fruitless,
  • futile,
  • inept,
  • inoperative,
  • nonproductive,
  • unusable

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