certainly

Definitions

Used to emphasize the speaker's belief that what is said is true.

Used as a polite or emphatic way of expressing agreement or consent.

Without any doubt; definitely.

Examples

I will certainly be there to support you at the presentation tomorrow.

She certainly has a talent for playing the piano.

Synonyms

definitely surely undoubtedly absolutely without a doubt of course indeed

Antonyms

doubtfully uncertainly possibly dubiously maybe perhaps unlikely