# rigor
## English
### Etymology

From Old French, from Latin rigor (“stiffness, rigidity, rigor, cold, harshness”), from rigere (“to be rigid”).

### Pronunciation

* (General American, Canada) IPA: /ˈɹɪɡɚ/
** Audio (US):(file)
** Audio (Texas):(file)
* Rhymes: -ɪɡə(ɹ)
* Homophones: rigger, rigour

### Noun

rigor (countable and uncountable, plural rigors)
* US spelling of rigour
* (medicine) A feeling of cold with shivering accompanied by a rise in body temperature.
* (physiology, informal) Short for rigor mortis.
** 2005, Jon Courtenay Grimwood, Pashazade, page 4, paragraph 3:Heat always upped the rate at which rigor gripped a corpse.

#### Derived terms

* break rigor
* rigor caloris
* rigorous

## Catalan
### Etymology

Borrowed from Latin rigōrem.

### Pronunciation

* IPA: (Central, Balearic, Valencia) [riˈɣor]

### Noun

rigor m or f (plural rigors)
* rigour/rigor
* precision, exactness
* harshness (of a climate)

#### Related terms

* rigorós

### Further reading

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

## Italian
### Noun

rigor m (apocopated)
* Apocopic form of rigore

## Latin
### Etymology

From rigeō (“I am rigid”) +‎ -or.

### Pronunciation

* (Classical Latin) IPA: /ˈri.ɡor/, [ˈrɪɡɔr]
* (modern Italianate Ecclesiastical) IPA: /ˈri.ɡor/, [ˈriːɡor]

### Noun

rigor m (genitive rigōris); third declension
* stiffness, rigidity
* rigor, cold, harshness, severity

#### Declension

Third-declension noun.

#### Derived terms

* rigōrātus

#### Related terms

* rigefaciō
* rigēns
* rigeō
* rigēscō
* rigidē
* rigiditās
* rigidō
* rigidus

#### Descendants

* Catalan: rigor
* English: rigor, rigour
* French: rigueur
* Galician: rigor
* Italian: rigore
* Piedmontese: rigor
* Polish: rygor
* Portuguese: rigor
* Romanian: rigoare
* Spanish: rigor

### References

* “rigor”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
* “rigor”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
* "rigor", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
* rigor in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
* William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “rigor”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.

## Old French
### Noun

rigor oblique singular, f (oblique plural rigors, nominative singular rigor, nominative plural rigors)
* harshness; severity
* stiffness; rigidity

#### Descendants

* English: rigor, rigour
* French: rigueur

## Portuguese
### Pronunciation

* (Brazil) IPA: /ʁiˈɡoʁ/ [hiˈɡoh]
* (Brazil) IPA: /ʁiˈɡoʁ/ [hiˈɡoh]
** (São Paulo) IPA: /ʁiˈɡoɾ/ [hiˈɡoɾ]
** (Rio de Janeiro) IPA: /ʁiˈɡoʁ/ [χiˈɡoχ]
** (Southern Brazil) IPA: /ʁiˈɡoɻ/ [hiˈɡoɻ]
* (Portugal) IPA: /ʁiˈɡoɾ/ [ʁiˈɣoɾ]
* (Portugal) IPA: /ʁiˈɡoɾ/ [ʁiˈɣoɾ]
** (Southern Portugal) IPA: /ʁiˈɡo.ɾi/ [ʁiˈɣo.ɾi]
* Rhymes: (Portugal, São Paulo) -oɾ, (Brazil) -oʁ
* Hyphenation: ri‧gor

### Noun

rigor m (plural rigores)
* rigour (higher level of difficulty)
* rigour (severity or strictness)
* rigidity; inflexibility

#### Related terms

* rígido
* rigoroso

## Serbo-Croatian
### Pronunciation

* IPA: /rîɡor/
* Hyphenation: ri‧gor

### Noun

rȉgor m (Cyrillic spelling ри̏гор)
* rigour

#### Declension
## Spanish
### Etymology

Borrowed from Latin rigōrem.

### Pronunciation

* IPA: /riˈɡoɾ/ [riˈɣ̞oɾ]
* Rhymes: -oɾ
* Syllabification: ri‧gor

### Noun

rigor m (plural rigores)
* rigour

#### Related terms

* rigorismo
* riguroso

### Further reading

* “rigor”, 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