# imperturbable
## English
### Etymology

From Middle English imperturbable, from Middle French imperturbable and directly from Late Latin imperturbābilis, from im- + perturbō + -bilis. By surface analysis, im- +‎ perturbable.

### Pronunciation

* (UK) IPA: /ˌɪmpəˈtɜːbəbəl/
* (US) IPA: /ˌɪmpɚˈtɝbəbəl/
** Audio (General American):(file)

### Adjective

imperturbable (comparative more imperturbable, superlative most imperturbable)
* Not easily perturbed, excited, or upset; calm and collected, even under pressure
    Synonyms: cool-headed, untumultuous; see also Thesaurus:calm
** 1815 February 24, [Walter Scott], chapter VIII, in Guy Mannering; or, The Astrologer. […], volume I, Edinburgh: […] James Ballantyne and Co. for Longman, Hurst, Rees, Orme, and Brown, […]; and Archibald Constable and Co., […], →OCLC, page 116:[T]he good Dominie bore all his disasters with gravity and serenity equally imperturbable. "Prodi-gi-ous!" was the only ejaculation they ever extorted from the much-enduring man.
** 1837, L[etitia] E[lizabeth] L[andon], “Poverty”, in Ethel Churchill: Or, The Two Brides. […], volume III, London: Henry Colburn, […], →OCLC, page 280:"We may keep it by us," replied the pawnbroker, "for months; there is no demand for such articles." "But," exclaimed she, eagerly, "I shall soon redeem it!" "So you all say," returned the man, with imperturbable coolness.
** 1962 August, G. Freeman Allen, “Traffic Control on the Great Northern Line”, in Modern Railways, Shepperton, Surrey: Ian Allan Publishing, →ISSN, →OCLC, page 132:This sort of thing is meat and drink to the born Controller—and Controllers are born with the right imperturbable temperament for the job; hence the fact that they are recruited from many different grades of operating staff, and some recruits don't stay the course.

#### Translations
## French
### Etymology

Learned borrowing from Late Latin imperturbābilis.

### Pronunciation

* IPA: /ɛ̃.pɛʁ.tyʁ.babl/

### Adjective

imperturbable (plural imperturbables)
* imperturbable; unflappable

#### Derived terms

* imperturbablement

#### See also

* inébranlable

### Further reading

* “imperturbable”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

## Galician
### Alternative forms

* imperturbábel

### Etymology

From Late Latin imperturbābilis.

### Adjective

imperturbable m or f (plural imperturbables)
* imperturbable

#### Derived terms

* imperturbabilidade
* imperturbablemente

### Further reading

* “imperturbable”, in Dicionario da Real Academia Galega (in Galician), A Coruña: Royal Galician Academy, 2012–2025

## Occitan
### Etymology

From Late Latin imperturbābilis.

### Adjective

imperturbable m (feminine singular imperturbabla, masculine plural imperturbables, feminine plural imperturbablas)
* imperturbable

#### Derived terms

* imperturbabilitat
* imperturbablament

## Spanish
### Etymology

From Late Latin imperturbābilis.

### Pronunciation

* IPA: /impeɾtuɾˈbable/ [ĩm.peɾ.t̪uɾˈβ̞a.β̞le]
* Rhymes: -able
* Syllabification: im‧per‧tur‧ba‧ble

### Adjective

imperturbable m or f (masculine and feminine plural imperturbables)
* imperturbable, unflappable, undisturbed, unruffled, unperturbed

#### Derived terms

* imperturbabilidad
* imperturbablemente

### Further reading

* “imperturbable”, 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