Home > Personal > Personal Lending > Mortgage > Mortgage Resources > Glossary > Cosigner Cosigner November 9, 2021 Another person who signs your loan and assumes equal responsibility for it.You Might Also Like: Living QuartersSpring Maintenance Checklist for Your Home All Things CommunityHoli-days of Giving 2022 Everyday MoneyGiving Back During the Holiday Season Living QuartersYour Top Mortgage Questions Answered Living QuartersHow to Understand Mortgage Language