LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

Valentīnus1

Valentīnus (feminine Valentīna, neuter Valentīnum)
Classical[wa.ɫɛnˈtiː.nʊs]Ecclesiastical[va.lenˈtiː.nus]

Meaning

  1. adjectivepertaining to Valentia (which see)
  2. adjectivein pluralmasculinenoun from verbinhabitants of Valentia

Declension

singular
formmasculinefeminineneuter
nominativeValentīnusValentīnaValentīnum
genitiveValentīnīValentīnaeValentīnī
dativeValentīnōValentīnaeValentīnō
accusativeValentīnumValentīnamValentīnum
ablativeValentīnōValentīnāValentīnō
vocativeValentīneValentīnaValentīnum
plural
formmasculinefeminineneuter
nominativeValentīnīValentīnaeValentīna
genitiveValentīnōrumValentīnārumValentīnōrum
dativeValentīnīsValentīnīsValentīnīs
accusativeValentīnōsValentīnāsValentīna
ablativeValentīnīsValentīnīsValentīnīs
vocativeValentīnīValentīnaeValentīna

Origins

From Valentia (which see) + -īnus (“-ine”, forming adjectives).

In the Academy Smith's classical dictionaries

Biography & mythologyValentinusValentinus (Οὐαλεντῖνος), the celebrated Gnostic heresiarch of the second century, was a native of Egypt, whence he went to Rome, and there propagated…
proper noun · masculinesecond declension
Valentīnus2
Valentīnus m sg (genitive Valentīnī, feminine Valentīna)
Classical[wa.ɫɛnˈtiː.nʊs]Ecclesiastical[va.lenˈtiː.nus]

Meaning

  1. a masculine cognomen and praenomen, most notably held by Valentinus (Gnostic) and Saint Valentine

Declension

declension
formsingularplural
nominativeValentīnus—
genitiveValentīnī
Valentīnae		—
dativeValentīnō
Valentīnae		—
accusativeValentīnum
Valentīnam		—
ablativeValentīnō—
vocativeValentīne—

Origins

  1. Proto-Indo-European*h₂welh₁-
  2. Proto-Indo-European*h₂wl̥h₁éh₁yeti
  3. Proto-Italic*walēō
  4. LatinValentīnus

Latin valēnsnom. Latin Valēns Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnus Latin Valentīnus Patronymic from Valēns + -īnus (“-ine”, forming adjectives). Compare Cōnstantīnus.

Descendants
  • FrenchValentin
  • EnglishValentinfrom French Valentin
  • EnglishValentinefrom French Valentin
  • FrenchValentine
  • GermanValentin
  • RomanianValentin
  • SpanishValentín
  • CzechValentin
  • CzechValentýn
  • DanishValentin

In the Academy Smith's classical dictionaries

Biography & mythologyValentinusValentinus (Οὐαλεντῖνος), the celebrated Gnostic heresiarch of the second century, was a native of Egypt, whence he went to Rome, and there propagated…

Quick answers

What does Valentīnus mean in Latin?
Valentīnus, a adjective, means “pertaining to Valentia (which see); inhabitants of Valentia”.
How do you pronounce Valentīnus?
In classical Latin, [wa.ɫɛnˈtiː.nʊs]; in ecclesiastical (church) Latin, [va.lenˈtiː.nus].