powerful

1. 1

   Having, or capable of exerting, power or influence.

   • The powerful grace that lies / In herbs, plants, stones, and their true qualities.
   • [T]he ſubſtance of gold is indeed invincible by the povverfulleſt action of natural heat, […]
2. 2

   Leading to many or important deductions.

   • a powerful set of postulates
   • a powerful theorem
3. 3

   Large; capacious; said of veins of ore.

4. 4

   Being a powerful number.not-comparable

syn. mightful · mighty · potent · powersome · strengthful · strong · forceful

ant. powerless · strengthless

1. 1

   Powerfully; very; extremely.Southern-USarchaicdialectal

   • Near-synonyms: marvellous, plenty