Adjective powerful has 5 senses
- powerful - having great power or force or potency or effect; "the most powerful government in western Europe"; "his powerful arms"; "a powerful bomb"; "the horse's powerful kick"; "powerful drugs"; "a powerful argument"
Antonyms: powerless, weak, feeble, nerveless, helpless, incapacitated, flooded, inundated, overcome, overpowered, overwhelmed, swamped, engulfed, low-powered
- knock-down, powerful - strong enough to knock down or overwhelm; "a knock-down blow"
Antonym: weak (indirect, via strong)
- cogent, potent, powerful - having the power to influence or convince; "a cogent analysis of the problem"; "potent arguments"
Antonym: uninfluential (indirect, via influential)
- brawny, hefty, muscular, powerful, sinewy - (of a person) possessing physical strength and weight; rugged and powerful; "a hefty athlete"; "a muscular boxer"; "powerful arms"
Antonym: weak (indirect, via strong)
- herculean, powerful - displaying superhuman strength or power; "herculean exertions"
Antonym: subhuman (indirect, via superhuman)
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Adverbial powerful has 1 sense
- mighty, powerful, right - (Southern regional intensive) very; "the baby is mighty cute"; "he's mighty tired"; "it is powerful humid"; "that boy is powerful big now"; "they have a right nice place"
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