Zubizarreta was born and raised in Asunción, Paraguay. She obtained her Maîtrise in General Linguistics from Paris 8 University in 1978 and her PhD in Linguistics from the Massachusetts Institute of Technology in 1982, with a dissertation entitled On the Relationship of the Lexicon to Syntax. She held various academic positions before arriving at the University of Southern California (USC), where she held a position from 1988 until her retirement.
