Hypertext Webster Gateway: "Powerful"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Powerful \Pow"er*ful\, a.
1. Full of power; capable of producing great effects of any
kind; potent; mighty; efficacious; intense; as, a powerful
man or beast; a powerful engine; a powerful argument; a
powerful light; a powerful vessel.
The powerful grace that lies In herbs, plants,
stones, and their true qualities. --Shak.
2. (Mining) Large; capacious; -- said of veins of ore.
Syn: Mighty; strong; potent; forcible; efficacious;
energetic; intense. -- {Pow"er*ful*ly}, adv. --
{Pow"er*ful*ness}, n.
From WordNet (r) 1.7 (wn)
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}]
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