coinsurance

C3O1I1N1S1U1R1A1N1C3E1

noun

The joint assumption of risk between the insurer and the insured party.

Less commonScrabble 15

Meanings

nouncoinsurance (countable and uncountable, plural coinsurances)

plural coinsurances · alternative co-insurance

  1. UScountableespeciallyuncountableThe joint assumption of risk between the insurer and the insured party.
  2. UScountableespeciallymetonymicallyuncountableThe amount paid by the insured in accordance with this risk sharing.

    For Part B-covered services, you usually pay 20% of the Medicare-approved amount after you meet your deductible. This is called your coinsurance.

    2021, Medicare & You 2022, Baltimore, MD: U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES : Centers for Medicare & Medicaid Services, page 6
  3. countableuncountableinternationalThe joint assumption of risk between multiple insurers.

Origin

  1. Proto-Indo-European*ḱe?
  2. Proto-Indo-European*ḱóm
  3. Proto-Italic*kom
  4. Proto-Italic*kom-
  5. Latincon-
  6. Latinco-
  7. Englishco-
  8. Englishinsurance
  9. Englishcoinsurance

From co- + insurance.

Full word history & related roots →

Translations

Danish selvrisiko
  • selvrisikojoint assumption of risk between insurer and insured
Dutch eigen risico
  • eigen risicojoint assumption of risk between insurer and insured
French franchise
  • franchisejoint assumption of risk between insurer and insured
German Mitversicherung, Selbstbeteiligung
  • Mitversicherungjoint assumption of risk between multiple insurers
  • Selbstbeteiligungjoint assumption of risk between insurer and insured
  • Eigenanteiljoint assumption of risk between insurer and insured
Italian franchigia
  • franchigiajoint assumption of risk between insurer and insured
Russian франшиза
  • франшиза (franšiza)joint assumption of risk between insurer and insured
Spanish participación propia, franquicia
  • participación propiajoint assumption of risk between insurer and insured
  • franquiciajoint assumption of risk between insurer and insured
  • coasegurojoint assumption of risk between insurer and insured
  • deduciblejoint assumption of risk between insurer and insured
Swedish medförsäkring, självrisk
  • medförsäkringjoint assumption of risk between multiple insurers
  • självriskjoint assumption of risk between insurer and insured
Turkish koasürans
  • koasüransjoint assumption of risk between insurer and insured
Cite this entry
APA

coinsurance. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/coinsurance

MLA

“coinsurance.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/coinsurance. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “coinsurance,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/coinsurance.

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