The ability to speak and understand multiple languages. Her multilingualism allowed her to communicate with people from various countries during her travels.
The presence or use of multiple languages within a particular community or region. The city's multilingualism is evident in its diverse population and the variety of languages spoken on the streets.
The policy or practice of promoting the learning or use of several languages, especially by a government or educational system. European institutions have long encouraged multilingualism to strengthen cultural exchange.