cosponsor

C3O1S1P3O1N1S1O1R1

noun

A joint sponsor.

OriginEnglish sponsor ← Latin sponsor →
UncommonScrabble 13
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Meanings

nouncosponsor (plural cosponsors)

plural cosponsors · alternative co-sponsor

  1. A joint sponsor.
verbcosponsor (third-person singular simple present cosponsors, present participle cosponsoring, simple past and past participle cosponsored)

present singular third person cosponsors · participle present cosponsoring · participle past cosponsored · past cosponsored · alternative co-sponsor

  1. To sponsor jointly with another.

Origin

  1. Englishco-
  2. Latinsponsor
  3. Englishsponsor
  4. Englishcosponsor

From co- + sponsor.

Full word history & related roots →
Cite this entry
APA

cosponsor. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/cosponsor

MLA

“cosponsor.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cosponsor. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “cosponsor,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/cosponsor.

Source: cosponsor on Wiktionary, CC BY-SA 4.0.