certainly in English: Yes of course, without any doubt. (adverb)

Translation

Yes of course, without any doubt.

Word origin

From Latin certus, meaning settled or sure.

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On its own, "certainly" is a polite way to say yes.

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Here "certainly" shows the speaker has no doubt.

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With "not", it makes the no much stronger.

certain

Completely sure; having no doubt about something.

sure

Knowing that something is true and having no doubt about it.

definitely

For sure, with no doubt at all.

yes

Used to give a positive answer, or to agree that something is true.

probably

Almost certainly, but not for sure.

surely

You say this when you feel certain about something and expect other people to agree.

obviously

In a way that anyone can see or understand straight away.

(2)

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