Definition from Wiktionary, the free dictionary
Jump to: navigation, search



From de- +‎ facere



dēficiō (present infinitive dēficere, perfect active dēfēcī, supine dēfectum); third conjugation iō-variant

  1. I withdraw
  2. I forsake, desert or abandon
  3. (of persons) I fail, disappoint or let down
  4. (of things) I fall short, I am absent, I run out
  5. I have shortcomings


   Conjugation of deficio (third conjugation -variant)
indicative singular plural
first second third first second third
active present dēficiō dēficis dēficit dēficimus dēficitis dēficiunt
imperfect dēficiēbam dēficiēbās dēficiēbat dēficiēbāmus dēficiēbātis dēficiēbant
future dēficiam dēficiēs dēficiet dēficiēmus dēficiētis dēficient
perfect dēfēcī dēfēcistī dēfēcit dēfēcimus dēfēcistis dēfēcērunt, dēfēcēre
pluperfect dēfēceram dēfēcerās dēfēcerat dēfēcerāmus dēfēcerātis dēfēcerant
future perfect dēfēcerō dēfēceris dēfēcerit dēfēcerimus dēfēceritis dēfēcerint
passive present dēficior dēficeris, dēficere dēficitur dēficimur dēficiminī dēficiuntur
imperfect dēficiēbar dēficiēbāris, dēficiēbāre dēficiēbātur dēficiēbāmur dēficiēbāminī dēficiēbantur
future dēficiar dēficiēris, dēficiēre dēficiētur dēficiēmur dēficiēminī dēficientur
perfect dēfectus + present active indicative of sum
pluperfect dēfectus + imperfect active indicative of sum
future perfect dēfectus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present dēficiam dēficiās dēficiat dēficiāmus dēficiātis dēficiant
imperfect dēficerem dēficerēs dēficeret dēficerēmus dēficerētis dēficerent
perfect dēfēcerim dēfēcerīs dēfēcerit dēfēcerīmus dēfēcerītis dēfēcerint
pluperfect dēfēcissem dēfēcissēs dēfēcisset dēfēcissēmus dēfēcissētis dēfēcissent
passive present dēficiar dēficiāris, dēficiāre dēficiātur dēficiāmur dēficiāminī dēficiantur
imperfect dēficerer dēficerēris, dēficerēre dēficerētur dēficerēmur dēficerēminī dēficerentur
perfect dēfectus + present active subjunctive of sum
pluperfect dēfectus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present dēfice dēficite
future dēficitō dēficitō dēficitōte dēficiuntō
passive present dēficere dēficiminī
future dēficitor dēficitor dēficiuntor
non-finite forms active passive
present perfect future present perfect future
infinitives dēficere dēfēcisse dēfectūrus esse dēficī dēfectus esse dēfectum īrī
participles dēficiēns dēfectūrus dēfectus dēficiendus
verbal nouns gerund supine
nominative genitive dative/ablative accusative accusative ablative
dēficere dēficiendī dēficiendō dēficiendum dēfectum dēfectū



  • deficio in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • deficio in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • deficio in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • the sun, moon, is eclipsed: sol (luna) deficit, obscuratur
    • to lose strength: vires aliquem deficiunt
    • to lose courage; to despair: animo cadere, deficere
    • to deviate from the path of virtue: a virtute discedere or deficere
    • a man's credit begins to go down: fides aliquem deficere coepit
    • to betray the interests of the state: a re publica deficere