Doubt | Mean of doubt in English Dictionary

/ˈdaʊt/

• Verb
• to be uncertain about (something)
1. She began to doubt [=question] everything he said.
2. I have always doubted the existence of life on other planets.
3. No one doubts that the mission will be a success.
4. I seriously doubt my parents will let me go.
5. “Do you think you can come tonight?” “I doubt it.”
• to have no confidence in (someone or something)
1. I began to doubt [=question] my own judgment.
2. She doubted his ability to succeed.
3. He said he could do it, but I couldn't help doubting him.
• Noun
• a feeling of being uncertain or unsure about something
1. I still have moments of doubt.
2. There can be little doubt that smoking is bad for your health.
3. There is no doubt [=question] in my mind that he is the best candidate.
4. These mistakes cast/throw doubt on her ability. = They cast/throw into doubt her ability. [=they make people question or lose confidence in her ability]
5. (US) The results of the study have been called into doubt. [=people are expressing doubts about the results]
6. She was filled with doubt [=uncertainty] about the future.
7. The evidence against her leaves little room for doubt about her guilt. [=the evidence shows that she is guilty]
8. I had a nagging doubt in the back of my mind.
9. He still has doubts about his chances of success.
10. I've always had my doubts about him.
11. Two separate studies have raised doubts about the car's safety.

• in a state of being uncertain or unsure
1. The outcome was in doubt [=not known with certainty] until the final seconds of the game.
2. The future of the company remains very much in doubt.
3. When/if in doubt, please contact us with your questions.
• without doubt or with very little doubt
1. She was no doubt [=certainly, doubtless, unquestionably] the smartest person in her class.
2. No doubt many readers will find the book too long.
3. By now, you have no doubt heard the news.
4. “He'll probably blame someone else.” “No doubt.” [=I agree that he'll blame someone else]