Antonyms for be surebe sure

English Synonyms and AntonymsRate these synonyms:0.0 / 0 votes

1. be sure

   Antonyms:
   conjecture, deem, guess, imagine, suppose, surmise, think

   Synonyms:
   ascertain, conclude, discover, know, prove

How to use be sure in a sentence?

1. The Ebola epidemicA scientist:

   This particular vaccine, although it's still experimental, does look hopeful from past experience in Guinea and Sierra Leone, but we don't know for sure, if in fact it is safe and effective, it really will be a game-changer in terms of being able to more quickly stop future Ebola epidemics.

2. Barbara Buchner:

   We need to make sure we are moving from thought to action after the Paris agreement, that we are getting new projects off the ground.

3. President Hassan Rouhani:

   Further investigation is needed to identify all the causes and roots of this tragedy and prosecute the perpetrators of this unforgivable mistake and inform the honorable people of Iran and the families of the victims about it, it is also necessary to adopt the required arrangements and measures to address the weaknesses of the country's defense systems to make sure such a disaster is never repeated.

4. Dutee Chand:

   I believe that hard work always pays off and I am working diligently to win more laurels for my country in the upcoming competitions, my training schedule is pretty tough at the moment... but I have seen that my timing has improved a lot compared to before. I am working really hard and am sure it will pay off. I feel I will qualify for the Olympics this year.

5. Interior Secretary Sally Jewell:

   Even at a time of financial distress, it is still the responsibilities of these companies to do the reclamation that they signed up for, we need to make sure that those companies are held accountable.

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