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Synonyms

trustworthiness

American  
[truhst-wur-thee-nis] / ˈtrʌstˌwɜr ði nɪs /

noun

  1. the quality of being deserving of trust or confidence; dependability; reliability.

    We look for students who exhibit the highest ethical standards, as demonstrated by honesty, trustworthiness, and high moral character.


Etymology

Origin of trustworthiness

trustworthy ( def. ) + -ness ( def. )

Explanation

Trustworthiness is the quality of a person or a thing that inspires reliability. If you want a pet known for its trustworthiness, choose a loyal and obedient dog. People or things can be described with the adjective trustworthy, and when you add the suffix -ness to it, you make the word into a noun describing the quality or trait of being trustworthy. A person can be known for trustworthiness in keeping promises, and a newspaper can be worthy of trust for correct reporting.

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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.

See Examples For:

The main author of a 2021 paper, external on the topic, she says good-looking people get hired more often because people associate attractiveness with positive traits such as trustworthiness and intelligence.

From BBC Jul. 28, 2026

The findings raise further questions over the trustworthiness of AI models, which are often deliberately designed to be warm and human-like in order to increase engagement.

From BBC Apr. 29, 2026

Beyond the dubious and prejudicial methodology, the poll was conducted online, which further undermines its trustworthiness.

From Salon Apr. 13, 2026

The boards have been criticized in the past for allowing officers to remain with the department even when they are prohibited from handling evidence or working in the field due to concerns about trustworthiness.

From Los Angeles Times Mar. 17, 2026

Other people agreed that the trustworthiness of radio had been damaged.

From "Spooked!" by Gail Jarrow

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