powerful


powerful (http://definr.com/powerful)

     adj 1: 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" [ant: powerless]
     2: strong enough to knock down or overwhelm; "a knock-down
        blow" [syn: knock-down(a)]
     3: having the power to influence or convince; "a cogent
        analysis of the problem"; "potent arguments" [syn: cogent,
         potent]
     4: (of a person) possessing physical strength and weight;
        rugged and powerful; "a hefty athlete"; "a muscular
        boxer"; "powerful arms" [syn: brawny, hefty, muscular,
         sinewy]
     5: displaying superhuman strength or power; "herculean
        exertions" [syn: herculean]
     adv : (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" [syn: mighty, right]