Definition: 1. Feeling doubt about something; not sure. 2. Likely to change, especially in a negative or unpleasant way. 3. Not established or confirmed.
Use 'uncertain' in a sentence:
1. The outcome of the matter is still uncertain.
2. With some hesitation and an uncertain smile, she held out her hand.
3. In spite of all that has been said, quite a lot of people are still uncertain about the prices of housing in China.
4. They're both uncertain about what to do.
5. It is uncertain what his role in the company will be.
6. She told him in no uncertain terms to go away.
7. He stopped, uncertain how to put the question tactfully.
8. It's uncertain whether English will be the world language in the future, but we should still keep learning.
9. That the evidence was inconclusive, the science uncertain?
10. But many young researchers, especially those who have not been mentored in open science, are uncertain about whether to share or to stay private.
11. Students all over the country are facing an uncertain future.
12. I'm still uncertain of my feelings for him.
13. Armstrong is uncertain where his long-term future lies.
14. Management is all about making difficult tradeoffs in conditions that are always uncertain and often fast-changing.
15. The future is so uncertain that one man's guess is as good as another's.
16. The girl was uncertain what to do, or what tone of voice to adopt.
17. Over that length of time, forecasts become more uncertain.
18. The future for manned space flight is looking increasingly uncertain.
19. He was uncertain about whether to buy the jacket.
20. Growers may feel their prospects are good for an upcoming harvest, but until that day arrives, the outcome will always be uncertain.
21. The date of the ship's arrival is uncertain.
22. To reform a man is a tedious and uncertain labour; hanging the sure work of a minute.
23. He was uncertain about his brother's intentions.
24. It is uncertain whether she will win first place.
25. "The outlook is still pretty uncertain, so buyers are staying on the sidelines, " said Wee Liat Lee, a property analyst at Samsung Securities.
26. "Oh yes," was the faint, uncertain reply.
27. Nowadays, we rely on news for information, but we are uncertain about the truth of the news.
28. Until the recent discovery of fossilized sauropod nesting grounds, scientists were thus uncertain whether sauropods laid eggs or gave birth to live young.
29. I am uncertain when he will come.
30. The sandbank was uncertain, like quicksand under his feet.
31. But for the most part, these benefits seem thin, uncertain, and far off.
32. It's still uncertain whether the College Spring Sports will be held this year.
33. His uncertain temper made him have few friends.
34. Although the origins are uncertain, experts think that this is largely due to the high level of volcanic activity in the area.
35. She was visibly trembling and her voice was soft and uncertain.
36. Conclusions CT evaluation on mild brain injury induced by asphyxia or intrauterine fetal distress is not of any value and the role of CT evaluation on the HIE grade is uncertain and doubtful.
37. She hesitated, uncertain how to classify herself.
38. Their origin is uncertain, but archaeologists hypothesize that they were Canaanites.
39. How much practical help they can give us is uncertain.
40. Whether the project will be a commercial success is still uncertain.
41. I told him what I thought of him in no uncertain terms.
42. They were uncertain of the total value of the transaction.
43. Her future is uncertain.
44. Our future looks uncertain.
45. It's uncertain whether they will accept the plan.
46. The baby took its first uncertain steps.
47. For a minute he looked uncertain, and then recovered his composure.
48. The economic climate remains uncertain.
49. How far the republics can give practical help, however, is uncertain.
