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insurer

American  
[in-shoor-er, -shur-] / ɪnˈʃʊər ər, -ˈʃɜr- /

noun

  1. a person or company that contracts to indemnify another in the event of loss or damage; underwriter.

  2. a person or thing that insures.

  3. a person who sells insurance.

insurer British  
/ -ˈʃɔː-, ɪnˈʃʊərə /

noun

  1. a person or company offering insurance policies in return for premiums

  2. a person or thing that insures

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of insurer

First recorded in 1645–55; insure + -er 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The error with any individual issue may lie with the insurer, the provider or the patient.

From MarketWatch • Apr. 22, 2026

Watts says she checked that Darcey was covered for the treatment, with the insurer confirming "on speaker phone in front of the vet" that she would be.

From BBC • Apr. 21, 2026

UnitedHealth is the parent of the largest U.S. health insurer as well as doctor groups and other assets.

From The Wall Street Journal • Apr. 21, 2026

He has stepped up Berkshire’s interests in Japan, buying a stake in an insurer there.

From The Wall Street Journal • Apr. 18, 2026

Time, patient name, insurer, admitting doctor, room number.

From "Things Not Seen" by Andrew Clements

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.