Antonym: powerless. Similar words: power, empower, overpower, solar power, cheerful, empowerment, wonderful, subterfuge. Meaning: ['paʊə(r)fʊl] 
adj. 1. having great power or force or potency or effect 2. strong enough to knock down or overwhelm 3. having great influence 4. (of a person) possessing physical strength and weight; rugged and powerful 5. displaying superhuman strength or power. adv. (Southern regional intensive) very.
adj. 1. having great power or force or potency or effect 2. strong enough to knock down or overwhelm 3. having great influence 4. (of a person) possessing physical strength and weight; rugged and powerful 5. displaying superhuman strength or power. adv. (Southern regional intensive) very. 
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91. We made a powerful charge and the enemy immediately fell back.
92. A more powerful version of this electric bus is currently in development.
93. It reflects the aberrant personality of some American politicians hostile to China's development and becoming powerful.
94. A powerful electric current is passed through a piece of graphite.
95. The expansion of higher education should be a powerful force for change.
96. This is a powerful endorsement for his softer style of government.
97. He was until very recently the most powerful banker in the city.
98. He was a powerful force in British politics during the war years.
99. Electric current is often powerful enough to kill a man.
100. The powerful lords were guilty of grinding the villagers under their heels.
101. Mr Jenkins' arguments for stability struck a chord with Europe's two most powerful politicians.
102. A compromise has to be reached between all the powerful vested interests before any restoration work in the city can take place.
103. She was put under house arrest two years ago but remained a powerful symbol in last year'selection.
104. I traded my computer in for a more powerful model.
105. This system may provide a powerful tool for adults who find computers a turn-off yet need to learn to use them.
106. The females are smaller and less powerful than the males.
107. The message is a powerful one[http://Sentencedict.com], and I hope it will be heard loud and clear by the tobacco industry.
108. The new model is fitted with a more powerful engine.
109. He is most powerful who has power over himself. Seneca 
110. Passion, though a bad regulator, is a powerful spring. Ralph Waldo Emerson
111. Intelligence and knowledge are not as powerful as wisdom and grit. Dr T.P.Chia
112. Positive thoughts make people more creative and powerful, mentally and emotionally. Dr T.P.Chia
113. Let us pick up our books and our pens, they are the most powerful weapons. Malala Yousafzai
114. Emotion is more powerful than reason. Emotion is the driving force behind thinking and reasoning. Emotional intelligence increases the mind's ability to make positive, brilliant decisions. Dr T.P.Chia
115. When God created man and woman, he was thinking, 'Who shall I give the power to, to give birth to the next human being?' And God chose woman. And this is the big evidence that women are powerful. Malala Yousafzai
116. The media's the most powerful entity on earth. They have the power to make the innocent guilty and to make the guilty innocent, and that's power. Because they control the minds of the masses. Malcolm X
117. Chance is always powerful. Let your hook be always cast; in the pool where you least expect it, there will be a fish. Ovid
118. Books can capture injustices in a way that stays with you and makes you want to do something about them. That's why they are so powerful. Malala Yousafzai
119. Smiling is an inexpensive but powerful way of enhancing your appearance, attractiveness and friendliness, as well as increasing your personal influence and achievement. Dr T.P.Chia
120. The simplest acts of kindness are by far more powerful than a thousand heads bowing in prayer. Mahatma Gandhi