powerful - adjective

• having great power or force or potency or effect
• strong enough to knock down or overwhelm
• having great influence
• (of a person) possessing physical strength and weight; rugged and powerful
• displaying superhuman strength or power

powerful - adverb

• (Southern regional intensive) very; to a great degree

powerful - thesaurus

brawny   hefty   herculean   mightily   mighty   muscular   potent   right   sinewy