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See also: Scio and sciò



  • IPA(key): /ˈst͡sio/
  • Hyphenation: sci‧o
  • Rhymes: -io
  • Audio:


scio (uncountable, accusative scion)

  1. knowledge




  1. first-person singular present indicative of sciare




From Proto-Italic *skijō, from Proto-Indo-European *skey- (to distinguish, to dissect).



sciō (present infinitive scīre, perfect active scīvī or sciī, supine scītum); fourth conjugation

  1. I can, know, understand, have knowledge.
    Scīsne ubi habitēmus?
    Do you know where we live?
  2. I know carnally.


   Conjugation of sciō (fourth conjugation)
indicative singular plural
first second third first second third
active present sciō scīs scit scīmus scītis sciunt
imperfect sciēbam sciēbās sciēbat sciēbāmus sciēbātis sciēbant
future sciam sciēs sciet sciēmus sciētis scient
perfect scīvī, sciī scīvistī, sciistī scīvit, sciit scīvimus, sciimus scīvistis, sciistis scīvērunt, scīvēre, sciērunt, sciēre
pluperfect scīveram, scieram scīverās, scierās scīverat, scierat scīverāmus, scierāmus scīverātis, scierātis scīverant, scierant
future perfect scīverō, scierō scīveris, scieris scīverit, scierit scīverimus, scierimus scīveritis, scieritis scīverint, scierint
passive present scior scīris, scīre scītur scīmur scīminī sciuntur
imperfect sciēbar sciēbāris, sciēbāre sciēbātur sciēbāmur sciēbāminī sciēbantur
future sciar sciēris, sciēre sciētur sciēmur sciēminī scientur
perfect scītus + present active indicative of sum
pluperfect scītus + imperfect active indicative of sum
future perfect scītus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present sciam sciās sciat sciāmus sciātis sciant
imperfect scīrem scīrēs scīret scīrēmus scīrētis scīrent
perfect scīverim, scierim scīverīs, scierīs scīverit, scierit scīverīmus, scierīmus scīverītis, scierītis scīverint, scierint
pluperfect scīvissem, sciissem scīvissēs, sciissēs scīvisset, sciisset scīvissēmus, sciissēmus scīvissētis, sciissētis scīvissent, sciissent
passive present sciar sciāris, sciāre sciātur sciāmur sciāminī sciantur
imperfect scīrer scīrēris, scīrēre scīrētur scīrēmur scīrēminī scīrentur
perfect scītus + present active subjunctive of sum
pluperfect scītus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present scī scīte
future scītō scītō scītōte sciuntō
passive present scīre scīminī
future scītor scītor sciuntor
non-finite forms active passive
present perfect future present perfect future
infinitives scīre scīvisse, sciisse scītūrum esse scīrī scītum esse scītum īrī
participles sciēns scītūrus scītus sciendus, sciundus
verbal nouns gerund supine
genitive dative accusative ablative accusative ablative
sciendī sciendō sciendum sciendō scītum scītū

Derived terms[edit]



  • scio in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • scio in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • scio in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
  • Carl Meißner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • I know for a fact: certo (certe) scio (Arch. 12. 32)
    • I know very well: probe scio, non ignoro
    • as far as I know: quantum scio
    • as far as I know: quod sciam
    • we know from experience: experti scimus, didicimus
    • to have received a liberal education: litteras scire
    • to know Latin: latinam linguam scire or didicisse
    • to know Latin: latine scire