
Basque dialects are linguistic varieties of the
Basque language which differ in pronunciation, vocabulary and grammar from each other and from
Standard Basque. Between six
and nine
Basque dialects have been historically distinguished:
*
Biscayan
*
Gipuzkoan
*
Upper Navarrese (Northern and Southern)
*
Lower Navarrese (Eastern and Western)
*
Lapurdian
*
Souletin (Souletin and Roncalese)
In modern times, however, both Lower Navarrese and Lapurdian are considered part of a
Navarrese–Lapurdian dialect, so there would be five dialects, divided into 11 subdialects and 24 minor varieties.

The boundaries of all these dialects do not coincide directly with current political or administrative boundaries. It was believed that the dialect boundaries between Bizkaian, Gipuzkoan and Upper Navarrese showed some relation to some pre-Roman tribal boundaries between the
Caristii,
Varduli and
Vascones. However, main Basque dialectologists now deny any direct relation between those tribes and Basque dialects. It seems that these dialects were created in the
Middle Ages
In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire ...
from a previously quite unified Basque language, and the dialects diverged from each other since then as a result of the administrative and political division that happened in the
Basque Country
Basque Country may refer to:
* Basque Country (autonomous community), as used in Spain ( es, País Vasco, link=no), also called , an Autonomous communities of Spain, autonomous community of Spain (shown in pink on the map)
* French Basque Country o ...
.
History of Basque dialectology

One of the first scientific studies of Basque dialects, regarding the
auxiliary verb
An auxiliary verb ( abbreviated ) is a verb that adds functional or grammatical meaning to the clause in which it occurs, so as to express tense, aspect, modality, voice, emphasis, etc. Auxiliary verbs usually accompany an infinitive verb or a ...
forms, was made by
Louis-Lucien Bonaparte, a nephew of
Napoleon Bonaparte
Napoleon Bonaparte ; it, Napoleone Bonaparte, ; co, Napulione Buonaparte. (born Napoleone Buonaparte; 15 August 1769 – 5 May 1821), later known by his regnal name Napoleon I, was a French military commander and political leader wh ...
. His original dialect map, ''Carte des Sept Provinces Basques'', was published in 1863 along with his ''Le Verbe Basque en Tableaux'' was regarded as the authoritative guide in Basque dialectology for a century. He collected his data in fieldwork between 1856 and 1869 in five visits to the
Basque Country
Basque Country may refer to:
* Basque Country (autonomous community), as used in Spain ( es, País Vasco, link=no), also called , an Autonomous communities of Spain, autonomous community of Spain (shown in pink on the map)
* French Basque Country o ...
. By then, the Basque language was in retreat throughout the territory in which it had been commonly spoken. In
Álava
Álava ( in Spanish) or Araba (), officially Araba/Álava, is a province of Spain and a historical territory of the Basque Country, heir of the ancient Lordship of Álava, former medieval Catholic bishopric and now Latin titular see.
Its c ...
, Basque had all but vanished from the Plains and the Highlands, remaining only in the stronghold of
Aramaio and bordering fringes of
Biscay
Biscay (; eu, Bizkaia ; es, Vizcaya ) is a province of Spain and a historical territory of the Basque Country, heir of the ancient Lordship of Biscay, lying on the south shore of the eponymous bay. The capital and largest city is Bilbao.
...
and
Gipuzkoa
Gipuzkoa (, , ; es, Guipúzcoa ; french: Guipuscoa) is a province of Spain and a historical territory of the autonomous community of the Basque Country. Its capital city is Donostia-San Sebastián. Gipuzkoa shares borders with the French de ...
, while in
Navarre
Navarre (; es, Navarra ; eu, Nafarroa ), officially the Chartered Community of Navarre ( es, Comunidad Foral de Navarra, links=no ; eu, Nafarroako Foru Komunitatea, links=no ), is a foral autonomous community and province in northern Spain, ...
the scholar collected the last live evidence in areas extending as far south as
Tafalla
Tafalla is a town and municipality located in the province and autonomous community of Navarre, northern Spain. The Postal code is 31300.
Tafalla is an industrial and agricultural town. It produces beef, mutton, pork and chicken.
History Pr ...
.
In 1998,
Koldo Zuazo
Koldo Zuazo (Eibar, Gipuzkoa, 1956) is a Basque linguist, professor at the University of the Basque Country and specialist in Basque language dialectology and sociolinguistics.
The dialects of the Basque language
Since 1998, Zuazo's work on ...
, Professor of Basque Philology at the
University of the Basque Country, redefined the dialect classifications slightly. For example, he changed the name of Biscayan to Western, Gipuzkoan to Central, Upper Navarrese to Navarrese. He also grouped Lapurdian with Lower Navarrese, distinguished Eastern Navarrese as an independent dialect, and recognised several mixed areas:
*
Western (Biscayan)
*
Central (Gipuzkoan)
*
(Upper) Navarrese
*
Eastern Navarrese
Eastern Navarrese (''Ekialdeko nafar euskalkia'' in Basque) is an extinct Basque dialect spoken in Navarre, Spain. It included two subdialects: Salazarese and Roncalais.
The name of this dialect was proposed by the foremost living Basque dia ...
(including
Salazarese
Salazarese (locally ''Zaraitzuko uskara'') is the Basque dialect of the Salazar Valley of Navarre, Spain.
In English it is also known as Zaraitzu Basque, the Zaraitzu dialect or Salazar dialect; in Spanish as ''salacenco'' and in Basque as ''Zar ...
and the extinct
Roncalese
Roncalese (in Basque: ''erronkariera'', in Roncalese dialect: ''Erronkariko uskara'') is an extinct Basque dialect once spoken in the Roncal Valley in Navarre, Spain. It is a subdialect of Eastern Navarrese in the classification of Koldo Zuazo. ...
)
*
Navarrese–Lapurdian
*
Souletin
Souletin or Zuberoan ( eu, Zuberera) is the Basque dialect spoken in Soule, France. Souletin is marked by influences from Occitan (in particular the Béarnese dialect), especially in the lexicon. Another distinct characteristic is the use of ...
Some research has also been carried out on the
Basque dialect spoken formerly in Álava which appears to mix Western and Navarrese features.
Key distinguishing features in Basque dialect phonology include:
*loss of and aspirated stops in Southern Basque dialects
*divergence of historic into
*Souletin development of the vowel
Morphological variation
Modern Basque dialects show a high degree of dialectal divergence. However, cross-dialectal communication even without prior knowledge of either
Standard Basque or the other dialect is normally possible to a reasonable extent, with the notable of exception of Zuberoan (also called
Souletin
Souletin or Zuberoan ( eu, Zuberera) is the Basque dialect spoken in Soule, France. Souletin is marked by influences from Occitan (in particular the Béarnese dialect), especially in the lexicon. Another distinct characteristic is the use of ...
), which is regarded as the most divergent Basque dialect.
The names for the language in the dialects of Basque (''Euskara'' in Standard Basque) for example exemplify to some degree the dialectal fragmentation of the Basque speaking area. The most divergent forms are generally found in the Eastern dialects.
The following map shows the approximate areas where each word is used. The smaller-type instances are cases of the name being recorded for a particular area, the larger-type instances show super-regional forms common throughout the dialect area in question:
Comparison of sample verb forms
Comparing the forms of the
Basque verb used in the different Basque dialects also gives a good overview over some of the differences and common features.
Phonological variation
Basque dialects all diverge from this standard inventory to a larger or lesser extent. The
grapheme
In linguistics, a grapheme is the smallest functional unit of a writing system.
The word ''grapheme'' is derived and the suffix ''-eme'' by analogy with ''phoneme'' and other names of emic units. The study of graphemes is called ''graphemics' ...
''j'' (historically /j/) displays by far the most noticeable divergence, followed by the fricatives and affricates. Hualde (1991) describes the following:
*
Baztan, an
Eastern Navarrese
Eastern Navarrese (''Ekialdeko nafar euskalkia'' in Basque) is an extinct Basque dialect spoken in Navarre, Spain. It included two subdialects: Salazarese and Roncalais.
The name of this dialect was proposed by the foremost living Basque dia ...
dialect: lack of /x/
*
Arbizu, a dialect in a mixed
Gipuzkoan/
Western Navarrese dialect area: geminate vowels /i/~/ii/, /e/~/ee/, /a/~/aa/, /o/~/oo/, /u/~/uu/
*
Gernika
Guernica (, ), official name (reflecting the Basque language) Gernika (), is a town in the province of Biscay, in the Autonomous Community of the Basque Country, Spain. The town of Guernica is one part (along with neighbouring Lumo) of the m ...
, a
Biscayan dialect: merger of /s̻/ with /s̺/ and /ts̻/ with /ts̺/. Additional phonemes: /ʒ/. Lack of /c/ and /ɟ/.
*
Ondarroa, a
Biscayan dialect: merger of /s̻/ with /s̺/ and /ts̻/ with /ts̺/. Additional phonemes: /dz/. Lack of /c/ and /ɟ/.
Standardized dialects
There have been various attempts throughout history to promote standardised forms of Basque dialects to the level of a common standard Basque.
*A standardised form of Lower Navarrese was the dialect used by influential 16th-century author
Joanes Leizarraga.
*
Azkue's
Gipuzkera Osotua
Gipuzkoan ( eu, Gipuzkera; es, Guipuzcoano) is a dialect of the Basque language spoken mainly in the central and eastern parts of the province of Gipuzkoa in Basque Country and also in the northernmost part of Navarre. It is a central dialect ...
("Complemented Gipuzkoan"), dating to 1935, attempted, though largely unsuccessfully, to create a standardized Basque based on Gipuzkoan, complemented with elements from other dialects.
*In the 1940s, a group called ''Jakintza Baitha'' ("Wisdom House") gathered around the academician
Federico Krutwig, who preferred to base the standard on the
Lapurdian of
Joanes Leizarraga's Protestant Bible and the first printed books in Basque. However, they did not receive support from other Basque language scholars and activists.
*In 1944,
Pierre Lafitte published his ''Navarro-Labourdin Littéraire'', based on
Classical Lapurdian, which has become the
de facto
''De facto'' ( ; , "in fact") describes practices that exist in reality, whether or not they are officially recognized by laws or other formal norms. It is commonly used to refer to what happens in practice, in contrast with '' de jure'' ("by l ...
standard form of Lapurdian. It is taught in some schools of Lapurdi and used on radio, in church, and by the newspaper ''
Herria''.
*Since 1968, Euskaltzaindia has promulgated a
Unified (or Standard) Basque (''Euskara batua'') based on the central dialects that has successfully spread as the formal dialect of the language. ''Batua'' is found in official texts, schools, TV, newspapers and in common parlance by new speakers, especially in the cities, whereas in the countryside, with more elderly speakers, people remain more attached to the natural dialects, especially in informal situations.
*More recently, the distinct dialects of Bizkaian and Zuberoan have also been standardised.
References
Bibliography
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{{Language varieties
Dialects by language