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From ob ‎(over) + root of levis ‎(smooth), from Proto-Indo-European *ley-w-, from the Proto-Indo-European root *(s)ley- ‎(slime, slimy, sticky). More at limus ‎(mud). From the same Proto-Indo-European root is Latin oblino ‎(I daub over, I besmear).

Another possibility is the conjunction of ob ‎(over) + līvor, līveō ("to become dark"), hence, to have the mind darkened, forget; to forget.



oblīviscor ‎(present infinitive oblīviscī, perfect active oblītus sum); third conjugation, deponent

  1. I lose remembrance of, forget.
  2. I forget, disregard, omit, neglect.


   Conjugation of obliviscor (third conjugation, deponent)
indicative singular plural
first second third first second third
active present oblīviscor oblīvisceris, oblīviscere oblīviscitur oblīviscimur oblīvisciminī oblīviscuntur
imperfect oblīviscēbar oblīviscēbāris, oblīviscēbāre oblīviscēbātur oblīviscēbāmur oblīviscēbāminī oblīviscēbantur
future oblīviscar oblīviscēris, oblīviscēre oblīviscētur oblīviscēmur oblīviscēminī oblīviscentur
perfect oblītus + present active indicative of sum
pluperfect oblītus + imperfect active indicative of sum
future perfect oblītus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present oblīviscar oblīviscāris, oblīviscāre oblīviscātur oblīviscāmur oblīviscāminī oblīviscantur
imperfect oblīviscerer oblīviscerēris, oblīviscerēre oblīviscerētur oblīviscerēmur oblīviscerēminī oblīviscerentur
perfect oblītus + present active subjunctive of sum
pluperfect oblītus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present oblīviscere oblīvisciminī
future oblīviscitor oblīviscitor oblīviscuntor
non-finite forms active passive
present perfect future present perfect future
infinitives oblīviscī oblītus esse oblītūrus esse oblītum īrī
participles oblīviscēns oblītus oblītūrus oblīviscendus
verbal nouns gerund supine
nominative genitive dative/ablative accusative accusative ablative
oblīviscī oblīviscendī oblīviscendō oblīviscendum oblītum oblītū

Derived terms[edit]

Related terms[edit]



  • obliviscor” in Charlton T. Lewis & Charles Short, A Latin Dictionary, Oxford: Clarendon Press, 1879.