1. [Adjective]: 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"

2. [Adverb]: (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"

3. (of a person) possessing physical strength and weight; rugged and powerful; "a hefty athlete"; "a muscular boxer"; "powerful arms"

4. displaying superhuman strength or power; "herculean exertions"

5. having the power to influence or convince; "a cogent analysis of the problem"; "potent arguments"

6. strong enough to knock down or overwhelm; "a knock-down blow"

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