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WordReference Random House Learner's Dictionary of American English © 2024ef•fec•tive /ɪˈfɛktɪv/USA pronunciation adj. - able to accomplish a purpose:very effective teaching methods.
- in operation or in force;
functioning: The law becomes effective at midnight. - real;
actual;
in fact but not in theory:[before a noun]The militia was the effective government at the time. - producing a deep or strong impression;
striking: an effective photograph.
ef•fec•tive•ly, adv. ef•fec•tive•ness, n. [uncountable] WordReference Random House Unabridged Dictionary of American English © 2024ef•fec•tive (i fek′tiv),USA pronunciation adj. - adequate to accomplish a purpose;
producing the intended or expected result:effective teaching methods; effective steps toward peace. - actually in operation or in force;
functioning:The law becomes effective at midnight. - producing a deep or vivid impression;
striking:an effective photograph. - Militaryprepared and available for service, esp. military service.
n. - Militarya member of the armed forces fit for duty or active service.
- Militarythe effective total of a military force.
- Latin effectīvus practical, equivalent. to effect(us), past participle of efficere (see effect) + -īvus -ive
- Middle English 1350–1400
- 1.See corresponding entry in Unabridged capable, competent. Effective, effectual, efficacious, efficient refer to that which is able to produce a (desired) effect. Effective is applied to that which has the power to, or which actually does, produce an effect:an effective action, remedy, speech.Effectual is used esp. of that which produces the effect desired or intended, or a decisive result:An effectual bombardment silenced the enemy.Efficacious suggests the capability of achieving a certain end:an efficacious plan, medicine.Efficient (applied also to persons) implies the skillful use of energy or industry to accomplish desired results with little waste of effort:efficient methods; an efficient manager.
- 2.See corresponding entry in Unabridged operative.
- 3.See corresponding entry in Unabridged telling.
- 1.See corresponding entry in Unabridged futile, useless.
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