1. of, from, in, or characteristic of a country or language other than one’s own
2. strange and unfamiliar
3. coming from outside; not belonging naturally

Examples

• She studied foreign languages in college.
• The company expanded into foreign markets.
• His accent sounded foreign to the locals.
• The concept was completely foreign to her.
• Foreign investment helped boost the economy.
• They removed the foreign object from his eye.
• Foreign policy is a major campaign issue.