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From Proto-Italic *slouβrikos, from Proto-Indo-European *slewbʰ- (slip, slide).



lūbricus (feminine lūbrica, neuter lūbricum); first/second-declension adjective

  1. slippery, slimy
  2. fleeting
    • 8 CE, Ovid, Fasti 5.475–476:
      mandantem amplectī cupiunt et bracchia tendunt:
      lūbrica prēnsantēs effugit umbra manūs
      [As he is] entrusting [his request to them], they long to embrace [him] and extend their arms: the fleeting shade eludes their grasping hands.
      (The ghost of Remus appears to his foster-parents Faustulus and Acca Larentia; see also Romulus and Remus.)
  3. inconstant
  4. deceitful
    • 4th-century CE, Jerome of Stridon (St. Jerome), Vulgate, 26:28
      Lingua fallāx nōn amat vēritātem et os lūbricum operātur ruīnās.
      A deceitful tongue loveth not truth: and a slippery mouth worketh ruin.
      (trans.: Douay-Rheims Bible)
  5. hazardous, unsteady
  6. tricky


First/second-declension adjective.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
Nominative lūbricus lūbrica lūbricum lūbricī lūbricae lūbrica
Genitive lūbricī lūbricae lūbricī lūbricōrum lūbricārum lūbricōrum
Dative lūbricō lūbricō lūbricīs
Accusative lūbricum lūbricam lūbricum lūbricōs lūbricās lūbrica
Ablative lūbricō lūbricā lūbricō lūbricīs
Vocative lūbrice lūbrica lūbricum lūbricī lūbricae lūbrica

Derived terms[edit]



  • lubricus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • lubricus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • lubricus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
  • lubricus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.