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



From ob- (before, in front) +‎ stō (stand).



obstō (present infinitive obstāre, perfect active obstitī, future participle obstātūrus); first conjugation, no supine stem except in the future active participle, impersonal in the passive

  1. I stand before, in the way of.
  2. I thwart, hinder, obstruct, block.

Usage notes[edit]

Usually used with the dative.


   Conjugation of obstō (first conjugation, impersonal in passive, defective)
indicative singular plural
first second third first second third
active present obstō obstās obstat obstāmus obstātis obstant
imperfect obstābam obstābās obstābat obstābāmus obstābātis obstābant
future obstābō obstābis obstābit obstābimus obstābitis obstābunt
perfect obstitī obstitistī obstitit obstitimus obstitistis obstitērunt, obstitēre
pluperfect obstiteram obstiterās obstiterat obstiterāmus obstiterātis obstiterant
future perfect obstiterō obstiteris obstiterit obstiterimus obstiteritis obstiterint
passive present obstātur
imperfect obstābātur
future obstābitur
perfect obstātum est
pluperfect obstātum erat
future perfect obstātum erit
subjunctive singular plural
first second third first second third
active present obstem obstēs obstet obstēmus obstētis obstent
imperfect obstārem obstārēs obstāret obstārēmus obstārētis obstārent
perfect obstiterim obstiterīs obstiterit obstiterīmus obstiterītis obstiterint
pluperfect obstitissem obstitissēs obstitisset obstitissēmus obstitissētis obstitissent
passive present obstētur
imperfect obstārētur
perfect obstātum sit
pluperfect obstātum esset, foret
imperative singular plural
first second third first second third
active present obstā obstāte
future obstātō obstātō obstātōte obstantō
non-finite forms active passive
present perfect future present perfect future
infinitives obstāre obstitisse obstātūrus esse obstārī
participles obstāns obstātūrus obstandus
verbal nouns gerund supine
nominative genitive dative/ablative accusative accusative ablative
obstāre obstandī obstandō obstandum


Derived terms[edit]

Related terms[edit]



  • obsto in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • obsto in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • obsto in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • to look after, guard a person's interests, welfare: rationibus alicuius prospicere or consulere (opp. officere, obstare, adversari)




  1. First-person singular (yo) present indicative form of obstar.