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See also: vacillò and vacil·lo




  1. first-person singular present indicative of vacillare





vacillō (present infinitive vacillāre, perfect active vacillāvī, supine vacillātum); first conjugation

  1. I sway to and fro.
  2. I stagger, reel, totter.
  3. I waver, hesitate.
  4. I vacillate.


   Conjugation of vacillo (first conjugation)
indicative singular plural
first second third first second third
active present vacillō vacillās vacillat vacillāmus vacillātis vacillant
imperfect vacillābam vacillābās vacillābat vacillābāmus vacillābātis vacillābant
future vacillābō vacillābis vacillābit vacillābimus vacillābitis vacillābunt
perfect vacillāvī vacillāvistī vacillāvit vacillāvimus vacillāvistis vacillāvērunt, vacillāvēre
pluperfect vacillāveram vacillāverās vacillāverat vacillāverāmus vacillāverātis vacillāverant
future perfect vacillāverō vacillāveris vacillāverit vacillāverimus vacillāveritis vacillāverint
passive present vacillor vacillāris, vacillāre vacillātur vacillāmur vacillāminī vacillantur
imperfect vacillābar vacillābāris, vacillābāre vacillābātur vacillābāmur vacillābāminī vacillābantur
future vacillābor vacillāberis, vacillābere vacillābitur vacillābimur vacillābiminī vacillābuntur
perfect vacillātus + present active indicative of sum
pluperfect vacillātus + imperfect active indicative of sum
future perfect vacillātus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present vacillem vacillēs vacillet vacillēmus vacillētis vacillent
imperfect vacillārem vacillārēs vacillāret vacillārēmus vacillārētis vacillārent
perfect vacillāverim vacillāverīs vacillāverit vacillāverīmus vacillāverītis vacillāverint
pluperfect vacillāvissem vacillāvissēs vacillāvisset vacillāvissēmus vacillāvissētis vacillāvissent
passive present vaciller vacillēris, vacillēre vacillētur vacillēmur vacillēminī vacillentur
imperfect vacillārer vacillārēris, vacillārēre vacillārētur vacillārēmur vacillārēminī vacillārentur
perfect vacillātus + present active subjunctive of sum
pluperfect vacillātus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present vacillā vacillāte
future vacillātō vacillātō vacillātōte vacillantō
passive present vacillāre vacillāminī
future vacillātor vacillātor vacillantor
non-finite forms active passive
present perfect future present perfect future
infinitives vacillāre vacillāvisse vacillātūrus esse vacillārī vacillātus esse vacillātum īrī
participles vacillāns vacillātūrus vacillātus vacillandus
verbal nouns gerund supine
nominative genitive dative/ablative accusative accusative ablative
vacillāre vacillandī vacillandō vacillandum vacillātum vacillātū