General Concepts

Utmost Good Faith (Uberrima Fides)

Utmost good faith, derived from the Latin 'uberrima fides,' is the bedrock legal principle requiring both parties to an insurance contract to disclose all material facts and act with total transparency.

Last reviewed: May 2026 · Editorial methodology

Definition

Unlike ordinary commercial contracts where caveat emptor (buyer beware) applies, insurance is governed by the doctrine of utmost good faith because the insurer must rely on the applicant's representations to assess risk accurately — it cannot independently verify every fact. An applicant has an affirmative duty to disclose all material facts, even those not specifically asked about on the application. For example, failing to disclose a previous conviction for arson when applying for homeowners insurance violates this doctrine. In return, the insurer must disclose all material policy terms, exclusions, and conditions clearly. A breach of utmost good faith can render the policy voidable — meaning the insurer may deny claims or rescind coverage from inception. U.S. courts have increasingly codified this duty into 'bad faith' litigation frameworks that allow policyholders to sue insurers who act unreasonably in claims handling.

Where this term matters

Home Insurance →Life Insurance →Business Insurance →

Tip

Glossary definitions are educational. Always check your own policy language — insurers can define common terms differently from one another. When in doubt, request a written explanation from your agent.

Related terms

RepresentationA representation is a material statement provided on an insurance application that the insurer relies upon when deciding whether and at what price to offer coverage.ConcealmentConcealment is deliberate silence about something significant — distinct from innocent non-disclosure — and can give an insurer grounds to void a policy or deny a claim.MisrepresentationMisrepresentation occurs when a policyholder provides incorrect information — intentionally or accidentally — that materially influences the insurer's decision to issue a policy or set a premium.RescissionWhen an insurer rescinds a policy, it treats coverage as never having been in effect and typically refunds premiums, leaving the insured without protection for any losses that occurred.
Source: Cover Forge USA editorial team|Last verified: May 2026|Methodology
Definitions are educational and may be simplified. Always refer to your policy contract and consult a licensed agent for terms that affect coverage decisions.
CF

Cover Forge USA Editorial Team

Editorial Lead

This article was researched and written by the Cover Forge USA editorial team against federal sources (NAIC, CMS, FEMA, DOL, SSA, state DOIs) and standard policy forms. Bylines organize content by topic — they do not assert individual licensure. See our editorial-policy for details.

Reviewed June 2026

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