10 Ways to Express Uncertainty in English

Expressing uncertainty is an important skill in English, especially when you are unsure about something or want to convey doubt. Here are 10 different ways to express uncertainty in English:

  1. I'm not exactly sure
  2. I'm not entirely certain
  3. I'm not completely sure
  4. I'm not entirely sure about that
  5. I'm not 100% certain
  6. I'm not entirely convinced
  7. I'm not entirely confident
  8. I'm a little unsure
  9. I'm not totally convinced
  10. I'm not entirely convinced about that

Now, let's look at each expression in more detail:

1. I'm not exactly sure

This phrase expresses a slight lack of certainty. It suggests that you have some knowledge or information, but you are not completely sure about it.

Example:

"I'm not exactly sure, but I think the meeting is scheduled for tomorrow."

2. I'm not entirely certain

This expression indicates a higher level of uncertainty compared to "I'm not exactly sure." It implies that you have some doubts or reservations about the topic.

Example:

"I'm not entirely certain if I can attend the event, as I have another commitment."

3. I'm not completely sure

Similar to the previous phrases, "I'm not completely sure" suggests that you have some uncertainty regarding the subject matter. It conveys a sense of hesitation or lack of complete knowledge.

Example:

"I'm not completely sure about the answer, but I think it might be option B."

4. I'm not entirely sure about that

This expression specifically indicates doubt or uncertainty about a particular statement or claim. It suggests that you have reservations or need more information about the topic.

Example:

"I'm not entirely sure about that statistic. Can you provide a source?"

5. I'm not 100% certain

"I'm not 100% certain" emphasizes a lack of complete confidence or certainty. It implies that you have some doubts or reservations about the information or situation.

Example:

"I'm not 100% certain, but I believe the project deadline is next week."

6. I'm not entirely convinced

This phrase suggests that you have some doubts or reservations about an idea or argument. It conveys a sense of skepticism or hesitation.

Example:

"I'm not entirely convinced that the new marketing strategy will be successful."

7. I'm not entirely confident

Similar to "I'm not entirely convinced," this expression indicates a lack of complete confidence or certainty. It suggests that you have some reservations or doubts about your abilities or the outcome.

Example:

"I'm not entirely confident in my presentation skills, but I'll do my best."

8. I'm a little unsure

This phrase expresses a small degree of uncertainty or hesitation. It implies that you have some doubts or lack complete confidence.

Example:

"I'm a little unsure about which option to choose. They both have their pros and cons."

9. I'm not totally convinced

Similar to "I'm not entirely convinced," this expression indicates doubt or lack of complete conviction. It suggests that you need more information or evidence to be fully convinced.

Example:

"I'm not totally convinced that the new policy will be effective. We need to consider other options as well."

10. I'm not entirely convinced about that

Specifically indicating doubt or uncertainty about a particular statement or claim, this expression suggests that you have reservations or need more information to be fully convinced.

Example:

"I'm not entirely convinced about that theory. We need to conduct further research."

These phrases provide you with various ways to express uncertainty in English. Remember to use them appropriately based on the level of doubt or uncertainty you want to convey.


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