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.

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

No. 1-ranked UCLA, known for its powerful batting order from one to nine, turned to its pitching staff on Friday in New Jersey to pull out a 4-1 victory over Rutgers in 14 innings.

From Los Angeles Times • Apr. 10, 2026

The daily chart illustrates the powerful move since the bullish harami candle on March 30 right off $200 number:

From Barron's • Apr. 10, 2026

OpenAI and other model developers are also expected to release powerful tools in the weeks ahead.

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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