• (America) IPA: /ˈpaʊɚfəl/
• (RP) IPA: /ˈpaʊəfl/

powerful

1. Having, or capable of exerting power, potency or influence.
   • c. 1591–1595, William Shakespeare, “The Tragedie of Romeo and Ivliet”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act II, scene iii]:

     The powerful grace that lies / In herbs, plants, stones, and their true qualities.

2. (mining) Large; capacious; said of veins of ore.

• mightful
• mighty
• powersome
• strengthful
• strong
• forceful

• powerless
• strengthless

• French: puissant
• German: mächtig
• Italian: potente
• Portuguese: poderoso, potente
• Russian: могу́щественный
• Spanish: poderoso

powerful

1. (Southern US) Synonym of very#English|very