POWERFUL

powerful. Powerful, a. mighty, strong, potent, efficacious

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Pow″er‐ful (?), a. 1. 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. 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.