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From sub- (under) +‎ (go).



subeō (present infinitive subīre, perfect active subiī, supine subitum); irregular conjugation

  1. I go under, come under; enter.
  2. I go up to, approach, draw near.
  3. I succeed, take place.
  4. I occur, come to mind.
  5. I submit to, undergo.
  6. I approach stealthily, sneak up on.


Irregular conjugation, but similar to fourth conjugation. The third principal part is most often contracted to subiī, but occasionally appears as subīvī.

   Conjugation of subeo (irregular)
indicative singular plural
first second third first second third
active present subeō subīs subit subīmus subītis subeunt
imperfect subībam subībās subībat subībāmus subībātis subībant
future subībō subībis subībit subībimus subībitis subībunt
perfect subiī, subīvī subīstī, subīvistī subiit, subīvit subiimus subīstis subiērunt, subiēre
pluperfect subieram subierās subierat subierāmus subierātis subierant
future perfect subierō subieris subierit subierimus subieritis subierint
passive present subeor subīris, subīre subītur subīmur subīminī subeuntur
imperfect subībar subībāris, subībāre subībātur subībāmur subībāminī subībantur
future subībor subīberis, subībere subībitur subībimur subībiminī subībuntur
perfect subitus + present active indicative of sum
pluperfect subitus + imperfect active indicative of sum
future perfect subitus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present subeam subeās subeat subeāmus subeātis subeant
imperfect subīrem subīrēs subīret subīrēmus subīrētis subīrent
perfect subierim subierīs subierit subierīmus subierītis subierint
pluperfect subīssem subīssēs subīsset subīssēmus subīssētis subīssent
passive present subear subeāris, subeāre subeātur subeāmur subeāminī subeantur
imperfect subīrer subīrēris, subīrēre subīrētur subīrēmur subīrēminī subīrentur
perfect subitus + present active subjunctive of sum
pluperfect subitus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present subī subīte
future subītō subītō subītōte subeuntō
passive present subīre subīminī
future subītor subītor subeuntor
non-finite forms active passive
present perfect future present perfect future
infinitives subīre subīsse subitūrus esse subīrī subitus esse subitum īrī
participles subiēns subitūrus subitus subeundus
verbal nouns gerund supine
nominative genitive dative/ablative accusative accusative ablative
subīre subeundī subeundō subeundum subitum subitū

Related termsEdit



  • subeo in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • subeo in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • subeo in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • to suffer mishap: calamitatem accipere, subire
    • to incur danger, risk: pericula subire, adire, suscipere
    • to suffer reproof; to be criticised, blamed: vituperationem subire
    • to gain the reputation of cruelty: famam crudelitatis subire (Catil. 4. 6. 12)
    • to incur ignominy: infamiam concipere, subire, sibi conflare
    • an idea strikes me: haec cogitatio subit animum
    • to incur a person's hatred: alicuius odium subire, suscipere, in se convertere, sibi conflare
    • to enter the house: tectum subire
    • to submit to a punishment: poenam subire
    • to advance to the walls protected by a covering of shields: testudine facta moenia subire (B. G. 2. 6)
    • to accept the terms of the peace: pacis condiciones accipere, subire (opp. repudiare, respuere)
    • (ambiguous) to speak extempore: subito, ex tempore (opp. ex praeparato) dicere