vacuo

See also: vácuo

Italian

Pronunciation

• IPA^(key): /ˈva.kwo/, (traditional) /ˈva.ku.o/
• Rhymes: -akwo, (traditional) -akuo
• Hyphenation: và‧cuo, (traditional) và‧cu‧o

Etymology 1

Borrowed from Latin vacuus.

Adjective

vacuo (feminine vacua, masculine plural vacui, feminine plural vacue) (literary)

1. empty, devoid

   Synonyms: mancante, privo, vuoto

2. (figurative) vacuous, vacant, empty, blank

Derived terms

• vacuamente

Related terms

• vacuità

Noun

vacuo m (plural vacui)

1. an empty space

Further reading

• vacuo in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana

Etymology 2

See the etymology of the corresponding lemma form.

Verb

vacuo

1. first-person singular present indicative of vacuare

Latin

Pronunciation

• (Classical Latin) IPA^(key): [ˈwa.ku.oː]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈvaː.ku.o]

Etymology 1

Likely a back-formation from vacuus, originally formed as vacō (“to be empty”) + -uus (perfect active participle suffix), later reanalysed as an adjective.

Verb

vacuō (present infinitive vacuāre, perfect active vacuāvī, supine vacuātum); first conjugation (transitive)

1. to empty out (a space)
2. to clear (a surface)
3. (Medieval Latin):
   1. (ditransitive) to deprive (something) of (something)
   2. to vacate or leave (somewhere)
   3. to remove or expel (something)
   4. to thwart or frustrate (a plot)
   5. to annul or cancel (something); to make (something) void

Conjugation

   Conjugation of vacuō (first conjugation)

indicative		singular						plural
		first		second		third		first		second		third
active	present	vacuō		vacuās		vacuat		vacuāmus		vacuātis		vacuant
	imperfect	vacuābam		vacuābās		vacuābat		vacuābāmus		vacuābātis		vacuābant
	future	vacuābō		vacuābis		vacuābit		vacuābimus		vacuābitis		vacuābunt
	perfect	vacuāvī		vacuāvistī, vacuāstī1		vacuāvit, vacuāt1		vacuāvimus, vacuāmus1		vacuāvistis, vacuāstis1		vacuāvērunt, vacuārunt, vacuāvēre1
	pluperfect	vacuāveram, vacuāram1		vacuāverās, vacuārās1		vacuāverat, vacuārat1		vacuāverāmus, vacuārāmus1		vacuāverātis, vacuārātis1		vacuāverant, vacuārant1
	future perfect	vacuāverō, vacuārō1		vacuāveris, vacuāris1		vacuāverit, vacuārit1		vacuāverimus, vacuārimus1		vacuāveritis, vacuāritis1		vacuāverint, vacuārint1
passive	present	vacuor		vacuāris, vacuāre		vacuātur		vacuāmur		vacuāminī		vacuantur
	imperfect	vacuābar		vacuābāris, vacuābāre		vacuābātur		vacuābāmur		vacuābāminī		vacuābantur
	future	vacuābor		vacuāberis, vacuābere		vacuābitur		vacuābimur		vacuābiminī		vacuābuntur
	perfect	vacuātus + present active indicative of sum
	pluperfect	vacuātus + imperfect active indicative of sum
	future perfect	vacuātus + future active indicative of sum
subjunctive		singular						plural
		first		second		third		first		second		third
active	present	vacuem		vacuēs		vacuet		vacuēmus		vacuētis		vacuent
	imperfect	vacuārem		vacuārēs		vacuāret		vacuārēmus		vacuārētis		vacuārent
	perfect	vacuāverim, vacuārim1		vacuāverīs, vacuārīs1		vacuāverit, vacuārit1		vacuāverīmus, vacuārīmus1		vacuāverītis, vacuārītis1		vacuāverint, vacuārint1
	pluperfect	vacuāvissem, vacuāssem1		vacuāvissēs, vacuāssēs1		vacuāvisset, vacuāsset1		vacuāvissēmus, vacuāssēmus1		vacuāvissētis, vacuāssētis1		vacuāvissent, vacuāssent1
passive	present	vacuer		vacuēris, vacuēre		vacuētur		vacuēmur		vacuēminī		vacuentur
	imperfect	vacuārer		vacuārēris, vacuārēre		vacuārētur		vacuārēmur		vacuārēminī		vacuārentur
	perfect	vacuātus + present active subjunctive of sum
	pluperfect	vacuātus + imperfect active subjunctive of sum
imperative		singular						plural
		first		second		third		first		second		third
active	present	—		vacuā		—		—		vacuāte		—
	future	—		vacuātō		vacuātō		—		vacuātōte		vacuantō
passive	present	—		vacuāre		—		—		vacuāminī		—
	future	—		vacuātor		vacuātor		—		—		vacuantor
non-finite forms		infinitive						participle
		active			passive			active			passive
present		vacuāre			vacuārī			vacuāns			—
future		vacuātūrum esse			vacuātum īrī			vacuātūrus			vacuandus
perfect		vacuāvisse, vacuāsse1			vacuātum esse			—			vacuātus
future perfect		—			vacuātum fore			—			—
perfect potential		vacuātūrum fuisse			—			—			—
verbal nouns		gerund								supine
		genitive		dative		accusative		ablative		accusative		ablative
		vacuandī		vacuandō		vacuandum		vacuandō		vacuātum		vacuātū

¹At least one rare poetic syncopated perfect form is attested.

Etymology 2

See the etymology of the corresponding lemma form.

Adjective

vacuō

1. dative/ablative masculine/neuter singular of vacuus

Noun

vacuō

1. dative/ablative singular of vacuum

References

• “vacuo”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “vacuo”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• R. E. Latham, D. R. Howlett, & R. K. Ashdowne, editors (1975–2013), “vacuo”, in Dictionary of Medieval Latin from British Sources‎^[1], London: Oxford University Press for the British Academy, →ISBN, →OCLC

Spanish

Etymology

Borrowed from Latin vacuus.

Pronunciation

• IPA^(key): /ˈbakwo/ [ˈba.kwo]
• Rhymes: -akwo
• Syllabification: va‧cuo

Adjective

vacuo (feminine vacua, masculine plural vacuos, feminine plural vacuas)

1. empty; vacant

   Synonyms: vacío, vacante

Noun

vacuo m (plural vacuos)

1. empty space, gap

   Synonyms: vacío, hueco

Further reading

• “vacuo”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025