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: Family MattersPreparing Financially for a Baby Everyday MoneyBudget Friendly Ideas for Thanksgiving Everyday MoneySenior Discounts and Savings Everyday MoneyStarting an Emergency Savings Account Living QuartersQuestions to Ask Your Home Inspector