Definitions

powerful

[pou-er-fuhl] / ˈpaʊ ər fəl /

ADJECTIVE

strong, effective

Synonyms

STRONGEST

all-powerful authoritative capable compelling dominant dynamic energetic forceful impressive influential mighty persuasive potent robust vigorous

WEAK

able almighty authoritarian big-wheel cogent commanding competent controlling convincing effectual efficacious forcible in control in the saddle omnipotent overruling paramount preeminent prevailing puissant ruling sovereign stalwart strapping strengthy sturdy supreme telling upper hand weighty wicked wieldy

Antonyms

STRONGEST

idle impotent inactive incapable ineffective ineffectual insignificant lethargic unimportant weak

WEAK

unable

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.

Prominent figures used this act to make powerful statements.

From Science Daily • May 7, 2026

"This missile will make India's security impenetrable and place us among the most powerful nations in the world," it said, without giving further details of the launch.

From Barron's • May 7, 2026

Karen Bass performed as an effective communicator by maintaining a measured and forceful demeanor while defending her record without becoming defensive, successfully drawing on backing from powerful labor unions and the broader Democratic establishment.

From Los Angeles Times • May 6, 2026

Her deer has become a powerful symbol of displacement, too, sharing the fate of millions of Ukrainians.

From BBC • May 6, 2026

In the long history of nations and seafaring, there has rarely been a country more powerful on the sea than was Portugal in the 1500s.

From "Shipwrecked!" by Martin W. Sandler

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