Synonym: certainly, for certain, sure, sure as shooting, sure enough, surely. Similar words: sure, ensure, assure, make sure, exposure, measure up, measurement, measure up to. Meaning: adj. not open to doubt. adv. definitely or positively (`sure' is sometimes used informally for `surely').
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31. No one knows for sure what caused the crash.
32. Entertaining, for sure, but an inexact science.
33. Well, one thing is for sure.
34. Oliver's hell hounds are on his trail for sure, great slavering paisley-patterned beasts with saucer-sized eyes and claws that catch.
35. The crowd cheered us in of course, but it's not the same as coming down the last as the winner for sure.
36. The more I see, the less I know for sure. John Lennon 
37. He knew for sure what he was in for if he could not catch up now.
38. Morton was a cut above the average nob, that was for sure.
39. I choose to rise up out of that storm and see that in moments of desperation, fear, and helplessness, each of us can be a rainbow of hope, doing what we can to extend ourselves in kindness and grace to one another. And I know for sure that there is no them - there's only us. Oprah Winfrey
40. Well it's high, for sure, and probably for aficionados, pools winners and second-time mortgagees only.
41. One thing is for sure, the lady was no pushover.
42. No one knows for sure how many people are infected.
43. If you make it a habit to make your today better than your yesterday, then for sure, your tomorrow will be better than your today. RVM
44. Center developers say they haven't decided for sure to destroy the waterfall and realign the creek 150 feet to the north.
45. Well, one thing's for sure - if people are rude about her, she makes sure she gives as good as she gets.
46. Guns killed you for sure, but maybe I was only teasing him about the milk.
47. And estimates are that players wager $ 8 billion a year at the tables, although no one knows for sure.
48. Whether we get linguistic ability from our genes, or by imitating others or just from general intelligence is not known for sure.
49. Breathe. Let go. And remind yourself that this very moment is the only one you know you have for sure. Oprah Winfrey
50. I think it starts at 8:00, but I don't know for sure.
51. The only thing we know for sure is that shit happens.
52. I must admit I liked her; she won't squander her grandfather's money, that's for sure.
53. Milan are going to win the cup for sure. They're just such a strong team.
54. It's impossible to say for sure what the outcome of the election will be.
55. He's the hardest man to get out, that's for sure. Sentencedict.com
56. The Trinidad crashed near Madrid, and to this day we still do not know for sure what happened.
57. Winston called at six to tell me he would be here for sure.
58. Although it would be a tough year for sure, revenue was not dropping anything like as much as the bookings percentage.
59. Once, only your hairdresser knew for sure and that was good.
60. The precise moment when it was first questioned is hard to pin down for sure.
More similar words: sure, ensure, assure, make sure, exposure, measure up, measurement, measure up to, versus, pursuit, persuade, or so, at worst, for sale, endorse, out of doors, survey, surface, surgeon, surgery, survivor, surround, survival, insurance, surprising, surrounding, surprisingly, surveillance, figure, bureau.