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"Certainly" and "surely": a confident conundrum

Reviewed and edited by

Lloyd Cooper 22/11/2024, 06:35

English.me team member

Certainly and surely. What's the difference?

What is similar?

Both "certainly" and "surely" are adverbs that are used to express confidence or certainty about a statement or situation.

What is different?

While "certainly" is often used to convey a strong affirmation or agreement, "surely" can suggest a degree of incredulity, persuasion, or reassurance, especially in questions. "Certainly" tends to be more formal, whereas "surely" can be slightly more informal or conversational.

Which one is more common?

Internet search results for certainly) and surely

Examples of usage

Certainly

She certainly knows how to make an entrance.
We will certainly finish the project by the deadline.
He is certainly qualified for the position.

Surely

Surely, you can't be serious!
The weather will surely improve by tomorrow.
Surely, you knew about the meeting.

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