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ato

Portuguese, noun/ˈa.tu/

ato is spelled A-T-O (3 letters) and appears 72 times per million words in written Portuguese, the 1,337th most frequent Portuguese word form (wordfreq, 2021 data). Ato is a Portuguese masculine noun meaning “act (deed)” (English Wiktionary, September 2026). It is also a first-person singular present indicative of atar. The Portuguese Wiktionary (Wikcionário) defines it as “processo de fazer algo; manifestação real e tangível”.

What does ato mean in English?

noun

  1. 1

    masculineact (deed)

  2. 2

    masculineact (state of existence)

  3. 3

    masculineact (process of doing something)

  4. 4

    masculineact (division of theatrical performance)

  5. 5

    masculineact (display of behaviour)

verb

  1. 1

    first-person singular present indicative of atar

suffix

as -ato
  1. 1

    masculine-ate (derivative of a salt or ester of an acid whose name ends in -ico)

suffix

as -ato
  1. 1

    masculine-ate (abstract noun), -ship, -cy, -age

suffix

as -ato
  1. 1

    masculinediminutive suffix

Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).

How Portuguese dictionaries define it

noun: 1. processo de fazer algo; manifestação real e tangível 2. algo que foi feito 3. seção de uma peça teatral 4. algo produzido por um órgão legislativo

prefix: 1. prefixo do sistema métrico usado para indicar a multiplicação de uma unidade por dez elevado a menos dezoito (quintilionésima parte)

The definition in the Portuguese Wiktionary (Wikcionário), in Portuguese.

Source: Portuguese Wiktionary (Wikcionário), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.

Forms of ato

  • atos plural
  • acto alternative

Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).

How do you pronounce ato?

  • Brazil /ˈa.tu/
  • Portugal /ˈa.tu/
  • /ˈato/ ou /ˈatu/_(plural:) /ˈatos/, /ˈatus/ ou /ˈatuʃ/

Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.

English words that translate to ato

Source: the translation tables of the English Wiktionary, dump of September 2, 2026.

How common is ato in Portuguese?

ato appears 72 times per million words in written Portuguese.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

What to look up after ato