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.

Leave it to these three to drift into the murk of a warehouse club for a near decade, and come back bigger rock stars and more powerful a band than ever.

From Los Angeles Times • Apr. 11, 2026

Devastating Pyrotechnics LLC and Blackstar Fireworks, Inc., are accused of manufacturing and storing explosives — including some too powerful to even be legally considered fireworks — on Machado’s property.

From Los Angeles Times • Apr. 11, 2026

Concerns about Palantir’s high valuation and Anthropic’s powerful Mythos AI model have fueled recent market anxieties.

From Barron's • Apr. 10, 2026

The moves come during an intensifying race among the top AI companies to release more powerful models that could cause widespread online disruptions if put to work by bad actors.

From The Wall Street Journal • Apr. 10, 2026

And then she spoke the most powerful and exhausting, the bravest, most exasperating and galvanic sentence in the human language.

From "Impossible Creatures" by Katherine Rundell

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