unquestionablyun‧ques‧tion‧a‧bly /ʌnˈkwestʃənəbli/ adverb 
- But for us the bigger disappointments unquestionably are associated with Mr Bush, and they begin with foreign policy.
- Colm Henry is unquestionably Ireland's best known rock photographer, although he by no means limits his skills to the music area.
- If some one had laid out the consequences of their behavior, they would have unquestionably behaved otherwise.
- New Hampshire unquestionably possesses a disproportionate influence over the nominating process.
- The outcome is quite unknown but Ceolred was unquestionably the invader and it should not be assumed that Ine won.
- The temporary bonanza of revenue from North Sea oil should unquestionably be invested for the future.
- This estimate seems to me to be unquestionably too high.
when something is definitely true► certainly/definitely use this to emphasize that something is definitely true. Definitely is more common in spoken English than certainly: · Incredible as they seem, these events certainly took place.· We don't know exactly when the house was built, but it's certainly over 200 years old. · I definitely posted the cheque last week, so it should have arrived by now.· "I think it would be a great opportunity." "Yeah, definitely."definitely/certainly not: · "She's not thinking of going back out with Simon again?" "No, definitely not."
► undoubtedly/unquestionably/without doubt/without a doubt use this to say that, in your opinion, something is definitely true about someone or something: · The years my parents spent in Kenya were undoubtedly the happiest of their lives.· Japan has unquestionably one of the most successful economies in the world.· Without a doubt, taxation is going to be the key issue in the President's campaign.
► there's no doubt/there's no question use this to say that, in your opinion, something definitely is true about someone or something: there's no doubt/there's no question that: · There's no doubt that he completely dominates her.· There is no question that Maridan had known all about the deal.· There was no doubt that, without the peacekeeping force, the civil war would have continued.there's no doubt/there's no question about it/about that: · You can see they're short of staff -- there's no doubt about it.· "We made some mistakes. No question about that," Glavine said.
► beyond a shadow of a doubt use this to say that, in your opinion, there is definitely no doubt at all that something is true: · The evidence proves, beyond a shadow of a doubt, that this man was in the victim's apartment on the day of the murder.
► surely spoken say this when you want to emphasize that something must be true and you want the person you are talking to to agree with you: · Surely he must have realized that the money was stolen.· "I'm not sure how the heating system works." "Surely it can't be that complicated." · Your car must be worth more than $500, surely!
► be beyond dispute if something is beyond dispute it certainly happened or exists and no one thinks differently: · Her professionalism is beyond dispute.· That the reports were stolen is beyond dispute. What we need to know is who took them.
nounquestionquestioningquestionerquestionnaireadjectivequestionable ≠ unquestionablequestioning ≠ unquestioningunquestionedadverbunquestionablyquestioningly ≠ unquestioninglyverbquestion
The Eiffel Tower is unquestionably one of Paris’s most familiar landmarks.—unquestionable adjective: