underwrite

verb

un·​der·​write ˈən-dər-ˌrīt 

ˈən-də-, 

ˌən-dər-ˈrīt, 

ˌən-də-

underwrote ˈən-dər-ˌrōt 

ˈən-də-, 

ˌən-dər-ˈrōt, 

ˌən-də-

; underwritten ˈən-dər-ˌri-tᵊn 

ˈən-də-, 

ˌən-dər-ˈri-tᵊn, 

ˌən-də-

; underwriting ˈən-dər-ˌrī-tiŋ 

ˈən-də-, 

ˌən-dər-ˈrī-, 

ˌən-də-

transitive verb

1

: to write under or at the end of something else

2

: to set one's name to (an insurance policy) for the purpose of thereby becoming answerable for a designated loss or damage on consideration of receiving a premium percent : insure on life or property

also : to assume liability for (a sum or risk) as an insurer

3

: to subscribe to : agree to

4

a

: to agree to purchase (something, such as security issue) usually on a fixed date at a fixed price with a view to public distribution

b

: to guarantee financial support of

underwrite a project

intransitive verb

: to work as an underwriter

Synonyms of underwrite

• fund
• finance
• subsidize

Examples of underwrite in a Sentence

a university willing to underwrite an archaeological expedition

Recent Examples on the Web

The lock is what let PayJoy underwrite people with no credit file. — Boaz Sobrado, Forbes.com, 24 July 2026

Just as life in industrial urban centers in the nineteenth century caused hardship in rural villages, the profligate lifestyles enjoyed by those of us in the Global North are underwritten by the immiseration of those in the Global South. — Literary Hub, 23 July 2026

Nearly all the grants underwriting the project have now run out, except for money the county of Maui earmarked in July to keep the study running until the end of 2026. — Angus Chen, STAT, 22 July 2026

Levi’s, bourbon brand Maker’s Mark and Jolie, a beauty wellness company focused on water are underwriting the market. — Angela Velasquez, Footwear News, 21 July 2026

Word History

First Known Use

14th century, in the meaning defined at transitive sense 1

Rhymes for underwrite

• acolyte
• aconite
• allanite
• alunite
• amberlite
• ammonite
• amorite
• amphitrite
• analyte
• anchorite
• andesite
• anhydrite

Kids Definition

underwrite

verb

un·​der·​write ˈən-də(r)-ˌrīt 

ˌən-də(r)-ˈrīt

underwrote -ˌrōt 

-ˈrōt

; underwritten -ˌrit-ᵊn 

-ˈrit-ᵊn

; underwriting -ˌrīt-iŋ 

-ˈrīt-

1

: to write under or at the end of something else

2

: to set one's name to (an insurance policy) and thereby agree to insure against specified loss or damage

3

: to agree to

4

a

: to agree to purchase (as security issue) usually on a fixed date at a fixed price with a plan of distribution to the public

b

: to guarantee financial support of

underwrite the project

underwriter

ˈən-də(r)-ˌrīt-ər

noun

Legal Definition

underwrite

transitive verb

un·​der·​write ˈən-dər-ˌrīt, ˌən-dər-ˈrīt 

underwrote -ˌrōt, -ˈrōt  ; underwritten -ˌrit-ᵊn, -ˈrit-ᵊn  ; underwriting

1

a

: to assume liability for (a risk) as an insurer

the insurer underwrites individuals, not the group, in franchise health insurance

b

: to issue or set the terms of (an insurance policy)

2

: to agree to purchase (all or part of a security issue) usually on a fixed date at a fixed price with the purpose or plan to resell by means of a public offering

was a security brokerage firm which as part of its business underwrote speculative new issues

—UFITEC, S.A. v. Carter, 135 Cal. Rptr. 607 (1977)

3

a

: to put up funds for or guarantee financial support of

b

: to assess the risk of (as a loan)