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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31. The doctors gave him more powerful drugs in the vain hope that he might recover.
32. Jack quickly established himself as a powerful member of the new company.
33. So happy to get separated,also glad that they are very powerful.
34. The divided family remains a powerful metaphor for a society that continued to tear itself apart.
35. He saw the weathervane spinning madly in the powerful breeze.
36. We need a big powerful sound from the trumpets in the final passage.
37. Losing is a learning experience. It teaches you humility. It teaches you to work harder. It's also a powerful motivator.
38. The rational and the irrational complement each other. Individually, they are far less powerful.
39. But at sea the wind can build up giant, powerful waves.
40. The President is so powerful that he is able to dictate to the government.
41. Education is the most powerful weapon which you can use to change the world. Nelson Mandela 
42. The city lay defenceless before the most powerful fighting force on the continent.
42. Sentencedict.com try its best to collect and make good sentences.
43. It's a quite profound story, with powerful religious overtones.
44. He has powerful arms and legs.
45. He had powerful enemies who engineered his downfall.
46. The President is more powerful than the Prime Minister.
47. Are multinationals now more powerful than governments?
48. There was a powerful smell of stale beer.
49. Essential oils have powerful antiseptic properties.
50. I don't think that's a very strong/convincing/powerful argument.
51. There is a powerful argument for changing the law.
52. A powerful sense of mission underpins everything he does.
53. Their writings took powerful hold of academic circles.
54. In France(sentencedict.com), farmers are a powerful political constituency.
55. Such are the most powerful voices of our times!
56. A powerful human drama was unfolding before our eyes.
57. They were up against a powerful pressure group.
58. Powerful shock absorbers cushion our landing.
59. He served up some powerful propaganda.
60. The Romanian rowers pulled ahead with fast, powerful strokes.