Synonym: brutal, cold, cruel, heartless, inhumane, merciless, savage, unfeeling. Similar words: ruthlessly, worthless, breathless, much less, quenchless, speechless, athlete, athletic. Meaning: ['ruːθlɪs] 
adj. without mercy or pity.
adj. without mercy or pity. 
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31. He had the ruthless streak necessary to carry him into the Cabinet.
32. His business rivals knew they could expect no quarter from such a ruthless adversary.
33. Don't be taken in by his charming manner; he's completely ruthless.
34. He is a skilled and ruthless leader who isn't likely to crumble under pressure.
35. He can be ruthless in getting what he wants, but I believe he would stop short of blackmail.
36. The once docile population has finally risen up against the ruthless regime.
37. She was, said the judge, a ruthless and scheming manipulator.
38. He's a ruthless businessman, as I know to my cost.
39. Whoever did him in removed a man who was brave as well as ruthless.
40. Mr Robinson has developed the reputation of a ruthless cost-cutter.
41. The ruthless convenience of the pure science of lust?
42. Only the ice-blue eyes betrayed the man's ruthless will.
43. Then he saw the watchful, ruthless, dissatisfied eyes.
44. There is something peculiarly ruthless about this process.
45. But I was the one who was being ruthless.
46. Darwin's view was simpler and more ruthless.
47. And as ruthless(sentencedict.com), and as clever.
48. Everything would be geared to quite ruthless war operations.
49. Where this is concerned she seems positively ruthless.
50. And this great love makes you both ruthless.
51. Such ruthless distrust, she thought, boded ill.
52. "Citizen Kane" details the rise of a ruthless tycoon.
52. Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.
53. Competition and ruthless downsizing have had positive effects.
54. He was so cruel at times, so utterly ruthless.
55. So she would be ruthless about making a clean and immediate break.
56. Over the years his experiences had turned him into someone who was both calculating and ruthless.
57. They are the eyes of a proud, ruthless and arrogant man.
58. The Labour leader, John Smith, described the Budget speech as a ruthless betrayal of election pledges.
59. On L. A. Law itself, ruthless Roz resigned from the firm.
60. Rachel racked her brains, trying to remember what Jamie had said of him - ruthless, living only for his ambition.
More similar words: ruthlessly, worthless, breathless, much less, quenchless, speechless, athlete, athletic, truth, in truth, untruth, truthful, to tell the truth, tactlessness, selflessness, less, bless, lesser, unless, lessen, useless, lesson, careless, witless, sinless, endless, hapless, less than, baseless, reckless.