All indubitably synonyms
in·du·bi·ta·ble
I i adv indubitably
- certainly — You use certainly to emphasize what you are saying when you are making a statement.
- definitely — You use definitely to emphasize that something is the case, or to emphasize the strength of your intention or opinion.
- for sure — free from doubt as to the reliability, character, action, etc., of something: to be sure of one's data.
- indeed — in fact; in reality; in truth; truly (used for emphasis, to confirm and amplify a previous statement, to indicate a concession or admission, or, interrogatively, to obtain confirmation): Indeed, it did rain as hard as predicted. Did you indeed finish the work?
- of course — a direction or route taken or to be taken.
- positively — with certainty; absolutely: The statement is positively true.
- surely — firmly; unerringly; without missing, slipping, etc.
- undoubtedly — not called in question; accepted as beyond doubt; undisputed.
- without doubt — to be uncertain about; consider questionable or unlikely; hesitate to believe.
adverb indubitably
- unquestionably — not open to question; beyond doubt or dispute; indisputable; undeniable; certain: an unquestionable fact.
- absolutely — Absolutely means totally and completely.
- irrefutably — not capable of being refuted or disproved: irrefutable logic.
- undeniably — incapable of being denied or disputed: undeniable evidence of arson.