LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

indēfēnsus

indēfēnsus (feminine indēfēnsa, neuter indēfēnsum, adverb indēfēnsē)
Classical[ɪn.deːˈfẽː.sʊs]Ecclesiastical[in.deˈfɛn.sus]

Meaning

  1. adjectiveunprotected, undefended

Declension

singular
formmasculinefeminineneuter
nominativeindēfēnsusindēfēnsaindēfēnsum
genitiveindēfēnsīindēfēnsaeindēfēnsī
dativeindēfēnsōindēfēnsaeindēfēnsō
accusativeindēfēnsumindēfēnsamindēfēnsum
ablativeindēfēnsōindēfēnsāindēfēnsō
vocativeindēfēnseindēfēnsaindēfēnsum
plural
formmasculinefeminineneuter
nominativeindēfēnsīindēfēnsaeindēfēnsa
genitiveindēfēnsōrumindēfēnsārumindēfēnsōrum
dativeindēfēnsīsindēfēnsīsindēfēnsīs
accusativeindēfēnsōsindēfēnsāsindēfēnsa
ablativeindēfēnsīsindēfēnsīsindēfēnsīs
vocativeindēfēnsīindēfēnsaeindēfēnsa

in-dēfensus, a, um, adj.,
I. unprotected, undefended (perh. not ante-Aug.): Capua deserta indefensaque, Liv. 25, 15, 2: indefensi, inulti, id. 4, 28, 4: inauditus et indefensus, Tac. A. 2, 77: conjux, id. ib. 11, 34.— Adv.: indēfensē, without defence, Cod. Just. 4, 18, 2 fin.

Origins

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

Latin dēfēnsus Latin indēfēnsus From in- + dēfēnsus (“defended”).

Quick answers

What does indēfēnsus mean in Latin?
indēfēnsus, a adjective, means “unprotected, undefended”.
How do you pronounce indēfēnsus?
In classical Latin, [ɪn.deːˈfẽː.sʊs]; in ecclesiastical (church) Latin, [in.deˈfɛn.sus].
Where does indēfēnsus come from?
Proto-Indo-European *né → Proto-Indo-European *n̥- → Proto-Italic *n̥- → Latin indēfēnsus.