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From Proto-Italic *morjōr, from Proto-Indo-European *mer- (to die).

Cognate with Ancient Greek βροτός (brotós, mortal), Proto-Germanic *murþaz, Proto-Celtic *marwos, Lithuanian mirti (death), Sanskrit मृत्यु (mṛtyú, death), Proto-Slavic *merti. Related to mors (death).



morior (present infinitive morī, perfect active mortuus sum); third conjugation iō-variant, deponent

  1. I die.
    • 23 BCE – 13 BCE, Horace, Odes 3.2.13:
      Dulce et decōrum est prō patriā morī.
      Sweet and fitting it is to die for one's fatherland.
  2. I decay, wither.


   Conjugation of morior (third conjugation -variant, deponent)
indicative singular plural
first second third first second third
active present morior moreris, morere moritur morimur moriminī moriuntur
imperfect moriēbar moriēbāris, moriēbāre moriēbātur moriēbāmur moriēbāminī moriēbantur
future moriar moriēris, moriēre moriētur moriēmur moriēminī morientur
perfect mortuus + present active indicative of sum
pluperfect mortuus + imperfect active indicative of sum
future perfect mortuus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present moriar moriāris, moriāre moriātur moriāmur moriāminī moriantur
imperfect morerer morerēris, morerēre morerētur morerēmur morerēminī morerentur
perfect mortuus + present active subjunctive of sum
pluperfect mortuus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present morere moriminī
future moritor moritor moriuntor
non-finite forms active passive
present perfect future present perfect future
infinitives morī mortuum esse
participles moriēns mortuus moritūrus moriendus, moriundus
verbal nouns gerund supine
genitive dative accusative ablative accusative ablative
moriendī moriendō moriendum moriendō mortuum mortuū


Derived terms[edit]

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  • morior in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • morior in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • morior in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
  • Carl Meißner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • (ambiguous) to die at a good old age: exacta aetate mori
    • (ambiguous) to starve oneself to death: inediā mori or vitam finire
    • (ambiguous) to die a natural death: necessaria (opp. voluntaria) morte mori
    • (ambiguous) to die of wounds: ex vulnere mori (Fam. 10. 33)