co·​sign·​er | \ˈkō-ˌsī-nər \

Definition of cosigner 

: cosignatory especially : a joint signer of a promissory note

Keep scrolling for more

Other Words from cosigner

cosign \ ˈkō-​ˌsīn \ verb

Examples of cosigner in a Sentence

Both senators are cosigners of the bill. My mother agreed to be a cosigner on my car loan.

Recent Examples on the Web

These kinds of loans usually require a cosigner—often the parent—because most college-age students don’t have the necessary credit history to obtain a loan on their own. Cheryl Winokur Munk, WSJ, "Should a Parent or Student Take Out the College Loan?," 8 July 2018 Not only that, if the borrower has a cosigner on the loan, he or she could also be negatively affected. Cheryl Winokur Munk, WSJ, "Test Your Smarts on…Student Debt," 4 Mar. 2018 But for aspiring skippers who don't have the credit, collateral, or cosigner to secure a permit loan, regional fisheries trusts can fill a critical gap. Ann Robertson | Opinion, Anchorage Daily News, "Graying of the fleet has Alaska looking for young hands on deck," 13 Jan. 2018 With Iran and other cosigners of the deal evincing no enthusiasm to do so, the agreement is still in mortal danger. Benjamin Hart, Daily Intelligencer, "Reports: Trump to Give Iran Deal Another Reprieve," 12 Jan. 2018 With her mom Karen Laine, 57, as cosigner, Starsiak, 33, purchased a quaint fixer-upper in her hometown and the two got to work on a renovation. Emily Strohm,, "Meet the Feisty Mother-Daughter Duo Behind HGTV's Breakout Hit, Good Bones," 23 Dec. 2017 Your child will usually qualify for federal loans in their own name; private student loans typically need a cosigner, such as a parent, to join the loan with the student. Amy Rolph, USA TODAY, "9 things to know if you’re worried about affording college," 25 Apr. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cosigner.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of cosigner

circa 1903, in the meaning defined above

Keep scrolling for more

Learn More about cosigner

Dictionary Entries near cosigner








Statistics for cosigner

Last Updated

10 Oct 2018

Look-up Popularity

Time Traveler for cosigner

The first known use of cosigner was circa 1903

See more words from the same year

Keep scrolling for more

More Definitions for cosigner



English Language Learners Definition of cosigner

: a person who signs an official document (such as a loan, contract, or law) with another person : a person who cosigns something


co·​sign·​er | \ˈkō-ˌsī-nər \

Legal Definition of cosigner 

: cosignatory especially : a joint signer of a promissory note

Comments on cosigner

What made you want to look up cosigner? Please tell us where you read or heard it (including the quote, if possible).


a trusted follower

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!


Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!