1. the ability to speak two languages fluently
2. the use of two languages in a region, organization, or educational system

Examples

• Her bilingualism helped her get the job at the international company.
• The school promotes bilingualism by teaching classes in both English and Spanish.
• Growing up in a bilingual household, his bilingualism developed naturally.
• Canada’s official bilingualism recognizes both English and French.
• Research shows that bilingualism can improve cognitive flexibility.
• The benefits of bilingualism include better problem-solving skills.
• Early childhood bilingualism is easier to achieve than adult language learning.