"Ni Una Sola Palabra" (English: "Not a Single Word") is a song by Mexican singer Paulina Rubio from her eighth studio album Ananda (2006).

Its accompanying music video, directed by Paul Boyd, portrayed Rubio as a glamorous superhero who saves her alter ego from a gang of thugs.

[10] Melodically, the lyrics is "about nostalgia"[11] of having shared special moments with a lover, but also reflects how indifference "can end a love relationship, no matter how solid or beautiful it may have been.

"[12] Isabela Raygoza from Billboard noted Rubio's "poignant narratives delves into the loneliness of love lost, juxtaposing sad girl lyrics with cheerful rhythms".

In the second verse, Rubio metaphors her fruitful relationship with a toy crashed into a wall, as she thinks about hoping to find a "miracle" or a "spell" to revive their romance.

El Nuevo Siglo's staff wrote that "Ni Una Sola Palabra" shows a Rubio more "fresh and evolved, totally organic".

"[12] In retrospective, Isabela Raygoza from Billboard noted "the song encapsulates a transformative moment, underscoring the evolving sound of Latin pop in the 21st century at a time.

The song was chart-topping radio airplay in España, Chile, Perú y Centroamérica, while reached in the top five in Argentina, Colombia, Venezuela, Uruguay, Paraguay y Bolivia.

[18] According to the Sociedad General de Autores y Editores in Spain, "Ni Una Sola Palabra" became one of the ten songs with the highest rotation on the radio and with the most acceptance in discos, bars and disco-pubs in 2007.

A week after filming, the entrepreneur and music executive Steven Gottlieb wrote from the website VideoStatic "Since it's all about action and not words, this video will feature the Mexican pop star Paulina Rubio fighting crime on various rooftops in downtown Los Angeles".

The superheroine stops to look at an ordinary Rubio alter-ego walking on a deserted street in the night light while sucking on a lollipop, wearing fringed camisole and a jeans.

[24] In retrospect, the staff of El Heraldo de México noted that the superheroine's wardrobe honors her nickname "The Golden Girl", also and from a less superficial approach, noted that in the video "as a heroine who imparts justice and puts men in their place who want to take advantage of women, [music video is] a revelation for the time", which further strengthens her work as a feminist artist.

[27] A performance of the song at The Tonight Show with Jay Leno premiered on September when begin promotional Ananda in America; she sing live with a golden microphone and was surrounded with her musicians and two choristers.

On December 12, Rubio performed the song and the English version of "Miénteme Una Vez Más" ("Beautiful Lie") at the Nobel Peace Prize Concert in Oslo, Norway, to honor laureates Muhammad Yunus and Grameen Bank.

[30] On April 26, Rubio opened the fourteenth edition of the Latin Billboard Music Awards in Coral Gables, Florida by performing the song with the violin arrangements of "Eleanor Rigby" by The Beatles.

[34] Chilean poet and journalist Jorge Montealegre from the book 'Wurlitzer: Cantantes en la Memoria Chilena' opined that it is "the best song of the Mexican popstar."

[36] That same year, the Universidad Autónoma de Nuevo León approved the publication of a book compiled by writer Elma Correa entitled "Ni una sola palabra", which portrays Rubio as a sui generis of pop culture.

[37] The song was covered on the 2007 Catalonia TV show El Club by Televisió de Catalunya, in a Spanish singer Roger Mas Catalan-inspired performance acoustic renamed "Ni Una Sola Paraula".

[39] Finland dance-pop group Unelmavävyt recorded a Finnish-language cover of "Ni Una Sola Palabra", renamed "Kanssas kävelen rantaa" for their album, Lauluja Tytöistä Ja Pojista (2011).