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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.

See Examples For:

Tawdry doings, perhaps, by contemporary standards, but highly effective.

From The Wall Street Journal ● Oct. 5, 2026

Immigration and Customs Enforcement, which is effective through Dec. 19, 2034.

From Los Angeles Times ● Oct. 5, 2026

If you have reduced mobility, stairlifts are an effective way to remain in your house.

From MarketWatch ● Oct. 5, 2026

Surprisingly, removing this brake did not make the cleanup process more effective.

From Science Daily ● Oct. 5, 2026

Kim, Farmer, and Bayona had proven that effective MDR treatment was possible, even in a slum in a poor country.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French




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