certainly

Middle English, from Old French 'certain', from Latin 'certus' meaning certain or sure.

ADV (1)

[/ˈsɜːr.tən.li/^en-US]

ciertamente formalcommon / definitivamente formal / sin duda common / seguramente common / concept sentence untranslatable (No direct equivalent concept in SPANISH)

Synonyms definitely formalcommon , undoubtedly formal , surely common

Antonyms doubtfully , uncertainly

Used to express that something is true, definite, or will happen without a doubt. It can also be used to confirm or agree with something, or to emphasize a statement.

N/A

She will certainly be at the meeting on time. — Indicating absolute certainty.
Are you coming to the concert? Yes, certainly! — Expressing strong agreement or affirmation.
That was certainly a challenging task. — Emphasizing the nature of something.