1. the condition or practice of using or knowing only one language
Usage: uncountable noun; often used in linguistic and educational contexts

Examples

• Monolingualism is common in many English-speaking countries.
• The school's focus on monolingualism meant students rarely studied foreign languages.
• Researchers have studied the effects of monolingualism versus bilingualism on cognitive development.
• Her monolingualism made it difficult for her to communicate when she traveled abroad.
• The policy of monolingualism in education has been criticized by language experts.