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From Proto-Indo-European *(s)leg-, *(s)leh₁g-. Cognate with English slack.



langueō (present infinitive languēre); second conjugation, no perfect or supine stem

  1. I am faint, weak.
  2. (figuratively) I am inactive, listless, idle.


   Conjugation of langueō (second conjugation, no supine stem, no perfect stem)
indicative singular plural
first second third first second third
active present langueō languēs languet languēmus languētis languent
imperfect languēbam languēbās languēbat languēbāmus languēbātis languēbant
future languēbō languēbis languēbit languēbimus languēbitis languēbunt
passive present langueor languēris, languēre languētur languēmur languēminī languentur
imperfect languēbar languēbāris, languēbāre languēbātur languēbāmur languēbāminī languēbantur
future languēbor languēberis, languēbere languēbitur languēbimur languēbiminī languēbuntur
subjunctive singular plural
first second third first second third
active present langueam langueās langueat langueāmus langueātis langueant
imperfect languērem languērēs languēret languērēmus languērētis languērent
passive present languear langueāris, langueāre langueātur langueāmur langueāminī langueantur
imperfect languērer languērēris, languērēre languērētur languērēmur languērēminī languērentur
imperative singular plural
first second third first second third
active present languē languēte
future languētō languētō languētōte languentō
passive present languēre languēminī
future languētor languētor languentor
non-finite forms active passive
present perfect future present perfect future
infinitives languēre languērī
participles languēns languendus
verbal nouns gerund supine
genitive dative accusative ablative accusative ablative
languendī languendō languendum languendō

Derived terms[edit]

Related terms[edit]



  • langueo in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • langueo in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • langueo 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 grow slack with inactivity, stagnate: (in) otio languere et hebescere
  • De Vaan, Michiel (2008) Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7)‎[2], Leiden, Boston: Brill, →ISBN