She was born to an educated, middle-class family where music and literature were always present. Her father, Leandro Vilariño (1892-1944), was a poet whose works were not published in his lifetime. Just like her siblings, Numen, Poema, Azul, and Alma, she studied music. Her mother was very well educated in European literature[citation needed].
She started writing at a very young age, and her first mature poems were written between 17 and 21 years old. Her first poetic work, La suplicante, was published in 1945. In the subsequent years, she would become recognized internationally and awarded with various awards. Her poems were marked by an intimate experience, intense and distressing, but always very coherent.
She participated in numerous literary ventures. She was one of the founders of the journals Clinamen [es], and Número [es], between 1945-1955 (where she met Juan Ramón Jiménez); and she collaborated on other publications, such as Marcha, La Opinión,Brecha, Asir, and Texto crítico.
Her translations also have been the object of recognition, with some of them, such as the more recognized works of Shakespeare, being performed in the theaters of Montevideo.[citation needed]
In 1997, she was interviewed by Rosario Peyrou and Pablo Rocca [es], from which the documentary Idea arose. The documentary was directed by Mario Jacob and premiered in May 1998.[3]
As a composer, four emblematic songs can be mentioned that are pertinent to popular Uruguayan music: A una paloma (performed by Daniel Viglietti), La canción y el poema (performed by Alfredo Zitarrosa), Los orientales, and Ya me voy pa' la guerrilla (performed by Los Olimareños).
In 2004, she received the Premio Konex (Konex prize) MERCOSUR a las Letras, granted by the Konex Foundation (Argentina), as the most influential writer of the region.[5]
Later, she had to undergo surgery that left her with an intestinal and arterialocclusion. She did not recover, and died in Montevideo on 28 April 2009.
Idea: La vida escrita (libro álbum. Contiene entrevistas, fragmentos de su diario íntimo y cartas. Montevideo, Cal y Canto y Academia Nacional de Letras, 2007, ISBN978-9974-54-053-8.
Rosario Peyrou, prologue to Vuelo ciego, Visor, Madrid, 2004, ISBN 978-84-7522-565-4 (antology by the author).