LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

internecīvus

internecīvus (feminine internecīva, neuter internecīvum)
Classical[ɪn.tɛr.nɛˈkiː.wʊs]Ecclesiastical[in.ter.neˈt͡ʃiː.vus]

Meaning

  1. adjectivemurderous
  2. adjectiveinternecine
  3. adjectivequarrels: deadly
  4. adjectivedisease: devastating
  5. adjectivewar: fought to the death

Declension

singular
formmasculinefeminineneuter
nominativeinternecīvusinternecīvainternecīvum
genitiveinternecīvīinternecīvaeinternecīvī
dativeinternecīvōinternecīvaeinternecīvō
accusativeinternecīvuminternecīvaminternecīvum
ablativeinternecīvōinternecīvāinternecīvō
vocativeinternecīveinternecīvainternecīvum
plural
formmasculinefeminineneuter
nominativeinternecīvīinternecīvaeinternecīva
genitiveinternecīvōruminternecīvāruminternecīvōrum
dativeinternecīvīsinternecīvīsinternecīvīs
accusativeinternecīvōsinternecīvāsinternecīva
ablativeinternecīvīsinternecīvīsinternecīvīs
vocativeinternecīvīinternecīvaeinternecīva

Charlton Lewis's shorter dictionary for students: the same scholarship in plain, modern definitions.

internecīvus adj.
internecio, murderous, destructive: bellum, of extermination, C., L.

Origins

From internecō (“to kill, murder”) + -īvus.

Quick answers

What does internecīvus mean in Latin?
internecīvus, a adjective, means “murderous; internecine; quarrels: deadly”.
How do you pronounce internecīvus?
In classical Latin, [ɪn.tɛr.nɛˈkiː.wʊs]; in ecclesiastical (church) Latin, [in.ter.neˈt͡ʃiː.vus].