nounπShareA soldier fit for duty"The new recruit was a strong and effective soldier, ready for basic training. "militarywarpersonessentialtoeicChat with AIVocabulary GamePractice Reading
adjectiveπShareHaving the power to produce a required effect or effects."The pill is an effective method of birth control."abilityachievementfunctionoutcomeessentialtoeicChat with AIVocabulary GamePractice Reading
adjectiveπShareProducing a decided or decisive effect."The president delivered an effective speech!"outcomeachievementabilityfunctionessentialtoeicChat with AIVocabulary GamePractice Reading
adjectiveπShareEfficient, serviceable, or operative, available for useful work."How long does it take to make a bunch of civilians an effective military force?"abilityqualityachievementoutcomeutilityfunctionessentialtoeicChat with AIVocabulary GamePractice Reading
adjectiveπShareActually in effect."The curfew is effective at midnight."outcomeabilityachievementfunctionqualityessentialtoeicChat with AIVocabulary GamePractice Reading
adjectiveπShare(of a cycle or divisor) Having no negative coefficients."The polynomial equation for the student's project was effective; all the terms had positive coefficients. "mathessentialtoeicChat with AIVocabulary GamePractice Reading
adjectiveπShare(for any effective theory) approximate; Not describing the fundamental dynamic changes in some system as they happen."The new math textbook's explanation of quadratic equations was effective for helping students solve problems, but it didn't explain how the equations were derived. "theorysciencephysicsphilosophytechnicalessentialtoeicChat with AIVocabulary GamePractice Reading