indubious
adj/ɪnˈdjuːbiəs/ · /ɪnˈduːbiəs/
Etymology Derived from Latin indubius. By surface analysis, in- + dubious.
1
Not dubious or doubtful; certain.
2
Not doubting; unsuspecting.
- indubious confidence1673, Gideon Harvey, A Discourse of the Plague:
- Derived terms
- indubiously