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Definitions

effective

[ih-fek-tiv, ee-fek‐] / ɪˈfɛk tɪv, iˈfɛk‐ /




Usage

What are other ways to say effective? The adjective effective is applied to a person or a thing that has the power to, or which actually does, produce an effect: an effective boss, remedy, speech. Effectual is used especially 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. 

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The company raised its dividend payout ratio to 50%-70% of net profit from 30%-50% previously, effective immediately, the analysts note.

From The Wall Street Journal • Jun. 2, 2026

And he thinks A.I. can be harnessed to make government more efficient and effective for constituents.

From Slate • Jun. 2, 2026

The official said this would create space for gradual de-escalation and an effective cessation of hostilities.

From BBC • Jun. 1, 2026

Avis Budget Group terminated its toll collection contract with Verra Mobility, effective September, impacting 13.5% of last year’s revenue.

From Barron's • Jun. 1, 2026

In the absence of effective treatment, his recovery was achingly slow—and soon followed by another depression.

From "The Woman All Spies Fear" by Amy Butler Greenfield




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