LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

antichrīstiānus

antichrīstiānus (feminine antichrīstiāna, neuter antichrīstiānum)
Classical[an.tɪ.kʰriːs.tiˈaː.nʊs]Ecclesiastical[an.ti.kris.tiˈaː.nus]

Meaning

  1. adjectiveanti-Christian; opposing Christianity
    R. Negative: Communismum enim est materialisticus et antichristianus; communistarum autem duces, etsi verbis quandoque profitentur se religionem non oppugnare, se tamen, sive doctrina sive actione, Deo veraeque religioni et Ecclesia Christi sere infensos esse ostendunt.1949, Pope Pio XII, Decree against communism, Associação Cultural Montfort:

Declension

singular
formmasculinefeminineneuter
nominativeantichrīstiānusantichrīstiānaantichrīstiānum
genitiveantichrīstiānīantichrīstiānaeantichrīstiānī
dativeantichrīstiānōantichrīstiānaeantichrīstiānō
accusativeantichrīstiānumantichrīstiānamantichrīstiānum
ablativeantichrīstiānōantichrīstiānāantichrīstiānō
vocativeantichrīstiāneantichrīstiānaantichrīstiānum
plural
formmasculinefeminineneuter
nominativeantichrīstiānīantichrīstiānaeantichrīstiāna
genitiveantichrīstiānōrumantichrīstiānārumantichrīstiānōrum
dativeantichrīstiānīsantichrīstiānīsantichrīstiānīs
accusativeantichrīstiānōsantichrīstiānāsantichrīstiāna
ablativeantichrīstiānīsantichrīstiānīsantichrīstiānīs
vocativeantichrīstiānīantichrīstiānaeantichrīstiāna

Origins

From anti- (“against”) + christianus (“Christian”).

Quick answers

What does antichrīstiānus mean in Latin?
antichrīstiānus, a adjective, means “anti-Christian; opposing Christianity”.
How do you pronounce antichrīstiānus?
In classical Latin, [an.tɪ.kʰriːs.tiˈaː.nʊs]; in ecclesiastical (church) Latin, [an.ti.kris.tiˈaː.nus].