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inter (between”, “among) +‎ pōnō (I place”, “I put)



interpōnō (present infinitive interpōnere, perfect active interposuī, supine interpositum); third conjugation

  1. I put, place or lay between or among
  2. I insert, interpose or introduce
  3. I pledge


   Conjugation of interpono (third conjugation)
indicative singular plural
first second third first second third
active present interpōnō interpōnis interpōnit interpōnimus interpōnitis interpōnunt
imperfect interpōnēbam interpōnēbās interpōnēbat interpōnēbāmus interpōnēbātis interpōnēbant
future interpōnam interpōnēs interpōnet interpōnēmus interpōnētis interpōnent
perfect interposuī interposuistī interposuit interposuimus interposuistis interposuērunt, interposuēre
pluperfect interposueram interposuerās interposuerat interposuerāmus interposuerātis interposuerant
future perfect interposuerō interposueris interposuerit interposuerimus interposueritis interposuerint
passive present interpōnor interpōneris, interpōnere interpōnitur interpōnimur interpōniminī interpōnuntur
imperfect interpōnēbar interpōnēbāris, interpōnēbāre interpōnēbātur interpōnēbāmur interpōnēbāminī interpōnēbantur
future interpōnar interpōnēris, interpōnēre interpōnētur interpōnēmur interpōnēminī interpōnentur
perfect interpositus + present active indicative of sum
pluperfect interpositus + imperfect active indicative of sum
future perfect interpositus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present interpōnam interpōnās interpōnat interpōnāmus interpōnātis interpōnant
imperfect interpōnerem interpōnerēs interpōneret interpōnerēmus interpōnerētis interpōnerent
perfect interposuerim interposuerīs interposuerit interposuerimus interposueritis interposuerint
pluperfect interposuissem interposuissēs interposuisset interposuissēmus interposuissētis interposuissent
passive present interpōnar interpōnāris, interpōnāre interpōnātur interpōnāmur interpōnāminī interpōnantur
imperfect interpōnerer interpōnerēris, interpōnerēre interpōnerētur interpōnerēmur interpōnerēminī interpōnerentur
perfect interpositus + present active subjunctive of sum
pluperfect interpositus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present interpōne interpōnite
future interpōnitō interpōnitō interpōnitōte interpōnuntō
passive present interpōnere interpōniminī
future interpōnitor interpōnitor interpōnuntor
non-finite forms active passive
present perfect future present perfect future
infinitives interpōnere interposuisse interpositūrus esse interpōnī interpositus esse interpositum īrī
participles interpōnēns interpositūrus interpositus interpōnendus
verbal nouns gerund supine
nominative genitive dative/ablative accusative accusative ablative
interpōnere interpōnendī interpōnendō interpōnendum interpositum interpositū

Derived terms[edit]



  • interpono in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • interpono in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • interpono in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • to interpose, put forward an argument, a reason: causam interponere or interserere
    • to make all possible haste to..: nullam moram interponere, quin (Phil. 10. 1. 1)
    • to interpolate, insert something: interponere aliquid (De Am. 1. 3)
    • to guarantee the protection of the state; to promise a safe-conduct: fidem publicam dare, interponere (Sall. Iug. 32. 1)
    • to pledge one's word to..: fidem interponere (Sall. Iug. 32. 5)
    • to interfere in a war: bello se interponere (Liv. 35. 48)