Bilingualism vs. Multilingualism — What's the Difference?

Using or able to use two languages, especially with equal or nearly equal fluency.

Multilingualism is the use of more than one language, either by an individual speaker or by a group of speakers. It is believed that multilingual speakers outnumber monolingual speakers in the world's population.

Using two languages in some proportion in order to facilitate learning by students who have a native proficiency in one language and are acquiring proficiency in the other

Of, including, or expressed in several languages

Of, relating to, or expressed in two languages

Using or having the ability to use several languages

A person who uses or is able to use two languages, especially with equal fluency.

The condition of being multilingual; the ability to speak multiple languages

The condition of being bilingual; the ability to speak two languages.

Quality of being bilingual.