The meaning of EFFECTIVE is producing a decided, decisive, or desired effect. How to use effective in a sentence. Comparing Efficient, Effective, and Proficient Synonym Discussion of Effective.

Synonyms for EFFECTIVE: efficient, productive, potent, adequate, efficacious, effectual, operative, useful; Antonyms of EFFECTIVE: ineffective, useless, inefficient, ineffectual, unproductive, fruitless, inoperative, incapable

EFFECTIVE definition: 1. successful or achieving the results that you want: 2. (used about a treatment or drug) working…. Learn more.

producing the result that is wanted or intended; producing a successful result. Aspirin is a simple but highly effective treatment. Some people believe that violence is an effective way of protesting. I admire the effective use of colour in her paintings. The …

EFFECTIVE definition: productive of or capable of producing a result | Meaning, pronunciation, translations and examples in American English

The adjective effective has many shades of meaning, but you'll usually see it describing something that's able to produce a desired goal. Effective traces back to the Latin word effectivus , from efficere , meaning “work out, accomplish,” and that meaning still holds true.

Definition of effective adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Effective means having a particular role or result in practice, though not officially or in theory. They have had effective control of the area since the security forces left. When something such as a law or an agreement becomes effective, it begins officially to apply or be valid. The new rules will become effective in the next few days.

EFFECTIVE definition: 1. successful or achieving the result that you want: 2. If changes, laws, etc become effective…. Learn more.

1. adequate to accomplish a purpose; producing the intended or expected result: effective teaching methods. 2. in operation or in force; functioning; operative: The law becomes effective at midnight. 3. producing a deep or vivid impression; striking: an effective photograph. 4. prepared and available for service, esp. military service. n.