From Old Galician-Portuguese, inherited from Vulgar Latin *plattus (“flattened”), from Ancient Greek πλατύς (platús). Doublet of prato and plati-.

• IPA^(key): /ˈt͡ʃato/ [ˈt͡ʃa.t̪ʊ]
• Rhymes: -ato

chato (feminine chata, masculine plural chatos, feminine plural chatas)

1. (rare) flat
2. pug-nosed

chato m (plural chatos)

1. low cup for drinking wine
2. (colloquial) liquid contained in said cup

• ir de chatos

• Antón Luís Santamarina Fernández, editor (2006–2013), “chato”, in Dicionario de Dicionarios da lingua galega [Dictionary of Dictionaries of the Galician language] (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Antón Luís Santamarina Fernández, Ernesto Xosé González Seoane, María Álvarez de la Granja, editors (2003–2018), “chato”, in Tesouro informatizado da lingua galega (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Rosario Álvarez Blanco, editor (2014–2024), “chato”, in Tesouro do léxico patrimonial galego e portugués (in Galician), Santiago de Compostela: Instituto da Lingua Galega, →ISSN

chato f (plural chatos)

1. (Mistralian) alternative form of chata (“girl”)

• IPA^(key): /ˈxa.tɔ/
• Rhymes: -atɔ
• Syllabification: cha‧to

chato f

1. vocative singular of chata

From Old Galician-Portuguese, inherited from Vulgar Latin *plattus (“flattened”), from Ancient Greek πλατύς (platús). Doublet of prato and plati-.

• Audio (Brazil (Caipira)):

  (file)

• Rhymes: (most dialects) -atu, (Southern Brazil) -ato
• Hyphenation: cha‧to

chato (feminine chata, masculine plural chatos, feminine plural chatas, comparable, comparative mais chato, superlative o mais chato or chatíssimo, diminutive chatinho, augmentative chatão)

1. flat

   Synonyms: achatado, plano, reto

2. (colloquial) boring

   Synonyms: see Thesaurus:monótono

   O golfe é chato. ― Golf is boring.

3. (colloquial) annoying

   Synonym: irritante

   Que chato! ― How annoying!

4. (colloquial) shameful

   Synonym: vergonhoso

5. (colloquial) disappointing

   Synonym: decepcionante

chato m (plural chatos, feminine chata, feminine plural chatas)

1. (colloquial) bore (a boring, uninteresting person)
2. (colloquial) an annoying person
3. pubic louse

• “chato”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “chato”, in Dicionário infopédia da Lingua Portuguesa (in Portuguese), Porto: Porto Editora, 2003–2026
• “chato”, in Michaelis Dicionário Brasileiro da Língua Portuguesa (in Portuguese), São Paulo: Editora Melhoramentos, 2015–2026, →ISBN
• “chato”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Inherited from Vulgar Latin *plattus (“flattened”), from Ancient Greek πλατύς (platús). Given that this word is attested rather late in time, such as in Cervantes' Don Quixote of 1605, it's theorized that it may have been borrowed from Portuguese (where the phonetic shift of the Latin consonant cluster -pl- to -ch- is regular; in Spanish, it generally becomes -ll- instead); alternatively, it may have been a colloquial word used by the people that did not make its way into written documents prior to Spanish Golden Age literature, as only learned people and scholars could write in the Middle Ages. The phonetic evolution in this case may be explained by the word often having been postconsonantal (such as es chato, los chatos, un chato, etc.), which would fit in more with Spanish phonetic norms (compare henchir, hinchar). Doublet of plato, which was borrowed directly from Latin.^[1] Cognate to Portuguese chato, Catalan plat, French plat, and Italian piatto.

• IPA^(key): /ˈt͡ʃato/ [ˈt͡ʃa.t̪o]
• Rhymes: -ato
• Syllabification: cha‧to

chato (feminine chata, masculine plural chatos, feminine plural chatas)

1. flat

   Synonyms: plano, llano

2. pug-nosed
3. (Chile) annoyed, fed up, sick and tired

   Synonyms: harto, hastiado, cabreado

4. (Spain, Antilles, informal) kiddo, little one, youngster
5. (Peru, informal) (of a person) short

• → Catalan: xato

• “chato”, 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

• IPA^(key): /ˈχatɔ/

chato

1. aspirate mutation of cato

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