# retardar
## Catalan
### Etymology

Borrowed from Latin retardāre.

### Verb

retardar (first-person singular present retardo, first-person singular preterite retardí, past participle retardat)
* to retard, to slow
* to defer, to delay

#### Conjugation
### Further reading

* “retardar” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
* “retardar”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2025
* “retardar” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
* “retardar” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.

## Interlingua
### Etymology

From English retard, French retarder, Spanish retardar, Portuguese retardar and Italian ritardare, all ultimately from Latin retardāre.

### Pronunciation

* IPA: /re.tarˈdar/

### Verb

retardar
* (transitive) to slow, to retard
** 1955 June, Braunsteiner Herbert, Pakesch Franziska, “Electron Microscopy and the Functional Significance of a New Cellular Structure in Plasmocytes: A Review”, in Blood‎, volume 10, number 6, →PMID, pages 650–654:Progresso in iste area ha essite retardate per le necessitate de disveloppar nove technicas de fixation, sectionamento, etc., sed istos es nunc si perfectionate que on pote predicer triumphos futur extendite usque al visualisation de structuras molecular intra le cellula.Progress in this area has been slowed by the need to develop new techniques of fixation, embedding and sectioning, etc., but they are now, if perfected, such that one could predict future triumphs even as far as the visualization of molecular structures within the cell.

#### Conjugation

| infinitive | infinitive | retardar | retardar |
| participle | participle | present | perfect |
| participle | participle | retardante | retardate |
| active | | simple | perfect |
| active | present | retarda | ha retardate |
| active | past | retardava | habeva retardate |
| active | future | retardara | habera retardate |
| active | conditional | retardarea | haberea retardate |
| active | imperative | retarda | |
| passive | | simple | perfect |
| passive | present | es retardate | ha essite retardate |
| passive | past | esseva retardate | habeva essite retardate |
| passive | future | essera retardate | habera essite retardate |
| passive | conditional | esserea retardate | haberea essite retardate |
| passive | imperative | sia retardate | |

## Portuguese
### Etymology

From Latin retardāre.

### Pronunciation

* (Brazil) IPA: /ʁe.taʁˈda(ʁ)/ [he.taɦˈda(h)]
* (Brazil) IPA: /ʁe.taʁˈda(ʁ)/ [he.taɦˈda(h)]
** (São Paulo) IPA: /ʁe.taɾˈda(ɾ)/ [he.taɾˈda(ɾ)]
** (Rio de Janeiro) IPA: /ʁe.taʁˈda(ʁ)/ [χe.taʁˈda(χ)]
** (Southern Brazil) IPA: /ʁe.taɻˈda(ɻ)/ [he.taɻˈda(ɻ)]
* (Portugal) IPA: /ʁɨ.tɐɾˈdaɾ/ [ʁɨ.tɐɾˈðaɾ]
* (Portugal) IPA: /ʁɨ.tɐɾˈdaɾ/ [ʁɨ.tɐɾˈðaɾ]
** (Southern Portugal) IPA: /ʁɨ.tɐɾˈda.ɾi/ [ʁɨ.tɐɾˈða.ɾi]
* Hyphenation: re‧tar‧dar

### Verb

retardar (first-person singular present retardo, first-person singular preterite retardei, past participle retardado)
* to retard, to slow
* to defer, to delay

#### Conjugation

$^1$Brazilian Portuguese. $^2$European Portuguese.

## Spanish
### Etymology

From Latin retardāre.

### Pronunciation

* IPA: /retaɾˈdaɾ/ [re.t̪aɾˈð̞aɾ]
* Rhymes: -aɾ
* Syllabification: re‧tar‧dar

### Verb

retardar (first-person singular present retardo, first-person singular preterite retardé, past participle retardado)
* to retard, to slow
* to defer, to delay
    Synonym: demorar

#### Conjugation

$^1$Mostly obsolete, now mainly used in legal language. $^2$Argentine and Uruguayan voseo prefers the tú form for the present subjunctive.
These forms are generated automatically and may not actually be used. Pronoun usage varies by region.

#### Derived terms

* retardador
* retardativo
* retardo

#### Related terms

* retardación
* retardatario

### Further reading

* “retardar”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10