Meanings
nouncosigner (plural cosigners)
plural cosigners
- lawA person who accepts joint responsibility for the debt of another
Synonyms & antonyms
nounone of two or more signers of the same document (as a treaty or declaration)
Similar
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From co- + signer or cosign + -er.
Full word history & related roots →Translations
Portuguese fiador
- fiadorperson who accepts joint responsibility for a debt
Rhymes & wordplay
Anagrams
Cite this entry
APA
cosigner. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/cosigner
MLA
“cosigner.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cosigner. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “cosigner,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/cosigner.
Source: cosigner on Wiktionary, CC BY-SA 4.0.