New American Oxford Dictionary
high-powered
high-pow ered |ˈhaɪ ˈˌpaʊ (ə )rd |(also high-power ) ▶adjective (of a machine or device ) having greater than normal strength or capabilities: a high-powered rifle. • dynamic and capable: a high-powered delegation.
Oxford Dictionary
high-powered
high-powered (also high-power ) ▶adjective (of a machine or device ) having greater than normal strength or capabilities: a high-powered sports car. • having a great deal of power, influence, or dynamism: high-powered senior executives. • involving a great deal of responsibility: a very high-powered job.
American Oxford Thesaurus
high-powered
high-powered adjective high-powered career women: dynamic, ambitious, energetic, assertive, enterprising, vigorous; forceful, powerful, potent, aggressive; informal go-getting, high-octane.
Oxford Thesaurus
high-powered
high-powered adjective the women described themselves as high-powered careerists: dynamic, energetic, ambitious, go-ahead, assertive, fast-track, effective, enterprising, vigorous, forceful, aggressive, pushy, pushing, driving; informal go-getting, full of get-up-and-go, high-octane; N. Amer. informal go-go. ANTONYMS unambitious.
Sanseido Wisdom Dictionary
high-powered
h ì gh-p ó wered 形容詞 〖通例 名詞 の前で 〗1 力の強い, 高性能の 〈機械など 〉.2 重要な, 責任のある ; 専門技術を要する 〈仕事 活動 〉.3 有力な, 重要な 〈人 〉.