Powerful Powerful synonyms mighty powerful and mighty potent powerful and potent influential powerful and influential puissant powerful and puissant strong powerful and strong forceful powerful and forceful brawny powerful and brawny vigorous powerful and vigorous muscular powerful and muscular forcible powerful and forcible Full list of synonyms (2162) Powerful antonyms weak powerful and weak powerless powerful and powerless impotent powerful and impotent ineffective powerful and ineffective ineffectual powerful and ineffectual unimportant powerful and unimportant insignificant powerful and insignificant feeble powerful and feeble incapable powerful and incapable helpless powerful and helpless Full list of antonyms (58) Share this picture Share this image Share this picture Share this image