Anisim was born on 28 September 1962 into a peasant family in the town of Stoŭbcy, Minsk Region.

From 1991, she was a research associate in the Yakub Kolas Institute of Linguistics of the National Academy of Sciences of Belarus.

From 2017 to 2018, she actively promoted the creation of the first Belarusian-language university, named after Nil Hilevich, in Minsk.

[1] In 2016, she and Hanna Kanapatskaya were elected to the House of Representatives of Belarus, the first two opposition politicians to gain seats in twenty years.

[3] After it was also rejected, she returned to the Yakub Kolas Institute after completing her term at the House of Representatives.