- Beyond doubt
- Certain
- Incontestable
- Undoubted
- Not dubitable or doubtful; too evident to admit of
doubt; unquestionable; evident; apparently certain; as, an indubitable
conclusion.
- That which is indubitable.
- Certain
- Clear-cut
- Deafen it on the radio, for sure
- Not negative
- Positive
- precise explicit
- Sure to jet in if Eddie comes back a bit
- Alert, active
- Certain
- Definite
- Free from doubt
- In no doubt
- Of course!
- Positive
- Certain
- Fearless
- Intrepid
- Showing fearlessness and determination
- Incapable of being daunted; undaunted; bold; fearless;
intrepid.