1. a formal request for something, especially a job, admission to school, or permission
2. the action of putting something into operation or use
3. a computer program designed to fulfill a particular purpose

Examples

• She submitted her college application last week.
• The application of new technology improved efficiency.
• I downloaded a weather application on my phone.
• The application of sunscreen prevents sunburn.
• Success requires consistent application to your studies.
• His job application was accepted immediately.
• The practical application of this theory is limited.
• This mobile application helps track expenses.