effective
- 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.
- prepared and available for service, especially military service.
- a member of the armed forces fit for duty or active service.
- the effective total of a military force.
Origin of effective
Synonyms for effective
See more synonyms for on Thesaurus.comAntonyms for effective
Related Words for effective
useful, impressive, efficient, sufficient, powerful, direct, potent, practical, competent, valid, compelling, active, adequate, forceful, dynamic, effectual, efficacious, able, capable, cogentExamples from the Web for effective
Contemporary Examples of effective
He could deliver a quick, effective speech, or hold a proper press conference.
If the embargo were effective, the Castro brothers would have been doing Love Letters with the Duvaliers years ago.
Build evidence about the practices, policies, and programs that will achieve the most effective and efficient results.
While there are a couple of antibiotics that usually work, if they are overused they, too, may cease to be effective.
Without Education, Antibiotic Resistance Will Be Our Greatest Health CrisisRussell Saunders
December 19, 2014
In order to know what innovations work, you have to have good information on how effective your practices are.
Historical Examples of effective
And, for the unaesthetic but effective Attila, an able fashioner of pork products from Chicago.
The SpendersHarry Leon Wilson
In the last few meetings he had held he had found this an effective beginning.
In the Midst of AlarmsRobert Barr
But when he left argument and came back to experience he was most effective.
Understanding the ScripturesFrancis McConnell
And that was the one thing which was most effective in restoring Katy's nerves.
Her Father's DaughterGene Stratton-Porter
Her tone is pure, her morals are high, her teachings are direct and effective.
The Boy Life of NapoleonEugenie Foa
effective
- productive of or capable of producing a result
- in effect; operativeeffective from midnight
- producing a striking impression; impressivean effective entrance
- (prenominal) actual rather than theoretical; realthe effective income after deductions
- (of a military force, etc) equipped and prepared for action
- physics (of an alternating quantity) having a value that is the square root of the mean of the squares of the magnitude measured at each instant over a defined period of time, usually one cycleSee also root mean square
- a serviceman who is equipped and prepared for action
Word Origin and History for effective
late 14c., from French effectif, from Latin effectivus "productive, effective," from effect-, stem of efficere (see effect (n.)). Effectively in the sense of "actually" is attested by 1650s. Related: Effectivity.