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most effective

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productive, persuasive adj.
in use at the time adj.

ADJECTIVE

productive, persuasive

Synonyms

STRONGEST

active adequate compelling competent direct efficient forceful impressive potent powerful practical sufficient useful valid

STRONG

effectual efficacious

WEAK

able capable cogent convincing emphatic energetic forcible having lead in pencil live moving on the ball operative playing hardball powerhouse producing resultant serviceable serving sound striking telling trenchant virtuous wicked yielding

Antonyms

STRONGEST

helpless impotent inadequate incapable incompetent ineffective inefficient insufficient unable useless weak worthless

STRONG

unproductive unsuccessful

WEAK

fruitless inoperative

ADJECTIVE

in use at the time

Synonyms

STRONGEST

active direct dynamic

WEAK

actual current in effect in execution in force in operation operative real

Antonyms

STRONGEST

inactive

WEAK

fruitless impotent incapable ineffective inoperative unproductive useless weak

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:

most effective

The researchers hope their findings will encourage greater awareness of how JAK inhibitors influence the immune system and support further investigations into their safest and most effective uses.

From Science Daily ● Oct. 27, 2026

Finding the right words to discuss AI might be the most effective step we can take to control its dangers.

From The Wall Street Journal ● Oct. 22, 2026

What those repairs will entail, exactly, appears yet to be determined, as the agency reviews surveys and drone footage “to determine the most effective path forward,” Smith said.

From Los Angeles Times ● Oct. 14, 2026

Starlink-enabled interceptors are also among Ukraine's most effective solution against jet-powered Russian Shahed drones, he said.

From BBC ● Oct. 14, 2026

Ordinarily it was in situations like this that Burnham could be most effective.

From "The Devil in the White City" by Erik Larson

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