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.

This setup allowed them to watch how the jets were pushed and distorted by powerful winds coming from the nearby star as the black hole traveled along its orbit.

From Science Daily • Apr. 18, 2026

Reagan led the most powerful country in the world, while the pope represented a religious institution that at the time had almost a billion members.

From The Wall Street Journal • Apr. 18, 2026

Humour can be a powerful tool, and so I've turned my experiences into a comedy show about life with an embarrassing surname.

From BBC • Apr. 18, 2026

Ever since the launch of ChatGPT, top artificial-intelligence labs have been embroiled in a cutthroat competition to one-up each other with powerful new features.

From MarketWatch • Apr. 18, 2026

Living creatures were oblivious, of course, in no way endangered, no matter how powerful the Afterlife grew.

From "The Undead Fox of Deadwood Forest" by Aubrey Hartman

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