LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

indubius

indubius (feminine indubia, neuter indubium, adverb indubiē)
Classical[ɪnˈdʊ.bi.ʊs]Ecclesiastical[inˈduː.bi.us]

Meaning

  1. adjectivecertain, not in doubt

Declension

singular
formmasculinefeminineneuter
nominativeindubiusindubiaindubium
genitiveindubiīindubiaeindubiī
dativeindubiōindubiaeindubiō
accusativeindubiumindubiamindubium
ablativeindubiōindubiāindubiō
vocativeindubieindubiaindubium
plural
formmasculinefeminineneuter
nominativeindubiīindubiaeindubia
genitiveindubiōrumindubiārumindubiōrum
dativeindubiīsindubiīsindubiīs
accusativeindubiōsindubiāsindubia
ablativeindubiīsindubiīsindubiīs
vocativeindubiīindubiaeindubia

in-dŭbĭus, a, um, adj.,
I. not doubtful, certain (post-Aug.): innocentia plurimorum, Tac. A. 14, 45: exempla, Quint. 5, 13, 24.— Hence, adv.: indŭbĭē, doubtlessly, Cassiod. Fragm. in Auct. Class. Tom. 3, 355 Mai.

Origins

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Italic*n̥-
  4. Latinindubius

Latin dubius Latin indubius From in- + dubius (“doubtful”).

Descendants
  • Italianindubbio

In English words that came into English from indubius

  • indubiousindubius

Quick answers

What does indubius mean in Latin?
indubius, a adjective, means “certain, not in doubt”.
How do you pronounce indubius?
In classical Latin, [ɪnˈdʊ.bi.ʊs]; in ecclesiastical (church) Latin, [inˈduː.bi.us].
Where does indubius come from?
Proto-Indo-European *né → Proto-Indo-European *n̥- → Proto-Italic *n̥- → Latin indubius.