Paraguayan Spanish is a dialect of the Spanish language

Spanish language

Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...

 spoken in Paraguay

Paraguay

Paraguay , officially the Republic of Paraguay , is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. Paraguay lies on both banks of the Paraguay River, which runs through the center of the...

, and influencing the speech of the Argentine provinces of Misiones

Misiones Province

Misiones is one of the 23 provinces of Argentina, located in the northeastern corner of the country in the Mesopotamiсa region. It is surrounded by Paraguay to the northwest, Brazil to the north, east and south, and Corrientes Province of Argentina to the southwest.- History :The province was...

, Corrientes

Corrientes Province

Corrientes is a province in northeast Argentina, in the Mesopotamia region. It is surrounded by : Paraguay, the province of Misiones, Brazil, Uruguay, and the provinces of Entre Rios, Santa Fe and Chaco.-History:...

, Formosa

Formosa Province

Formosa Province is in northeastern Argentina, part of the Gran Chaco Region. Its northeast end touches Asunción, Paraguay, and borders the provinces of Chaco and Salta to its south and west, respectively...

, and, to a lesser extent, Chaco

Chaco Province

Chaco is an Argentine province located in the north of the country, near the border with Paraguay. Its capital is Resistencia on the Paraná River opposite the city of Corrientes...

. It is characterized by strong influences from the Guarani language

Guaraní language

Guaraní, specifically the primary variety known as Paraguayan Guaraní , is an indigenous language of South America that belongs to the Tupí–Guaraní subfamily of the Tupian languages. It is one of the official languages of Paraguay , where it is spoken by the majority of the population, and half of...

(Paraguay is the only Latin-American country with a majority bilingual population.)
Although the Guaraní influences are noticeable among the bulk of the Paraguay populace, it is often noted that even though Paraguayan Spanish shares certain resemblance to Rioplatense Spanish on pronunciation, it is otherwise a very neutral form of Spanish.