English Reference

Word

trustworthiness

Phoneticstrust·wor·thi·ness, stress on the first syllable

US/ˈtɹəstˌwɝðinəs/

UK/tɹˈʌstwəðɪnəs/

Uncountable noun

Definition

n. how honest and reliable someone is, so you feel safe trusting them. You use it when someone always keeps promises and tells the truth.

n. reliability and honesty that inspire confidence in others and make a person or institution deserving of trust.

Examples

“People value his trustworthiness in business deals.”

“The bank checks each applicant's trustworthiness before approving a large loan.”

“Over decades of consistent honesty, the journalist built a reputation for trustworthiness that made readers rely on her reporting during crises.”

Examples

simple

“People value his trustworthiness in business deals.”

contextual

“The bank checks each applicant's trustworthiness before approving a large loan.”

complex

“Over decades of consistent honesty, the journalist built a reputation for trustworthiness that made readers rely on her reporting during crises.”

Collocations

Common phrases and expressions where native English speakers use the word “trustworthiness” in context.

Verb

01. demonstrate trustworthiness

“She demonstrated her trustworthiness by handling confidential data responsibly.”

verb + noun

02. establish trustworthiness

“New suppliers must establish their trustworthiness before signing contracts.”

verb + noun

03. prove trustworthiness

“He proved his trustworthiness by repaying the loan ahead of schedule.”

verb + noun

Adjective

04. absolute trustworthiness

“Working with children requires absolute trustworthiness and integrity.”

adj + noun

05. moral trustworthiness

“The scandal damaged the charity's moral trustworthiness in the public eye.”

adj + noun

06. overall trustworthiness

“References from previous employers confirm her overall trustworthiness.”

adj + noun

07. perceived trustworthiness

“Voters often judge a candidate more on perceived trustworthiness than on policies.”

adj + noun

08. personal trustworthiness

“He staked his personal trustworthiness on keeping every promise he made.”

adj + noun

Noun

09. lack of trustworthiness

“His lack of trustworthiness cost him the leadership role.”

noun + prep + noun

10. level of trustworthiness

“Banks check the level of trustworthiness before approving a mortgage.”

noun + prep + noun

11. doubt the trustworthiness of data

“Scientists began to doubt the trustworthiness of data from the faulty sensor.”

12. establish a reputation for trustworthiness

“She established a reputation for trustworthiness by always meeting deadlines.”

Real-World Examples

“Our findings tell us that travelers consider using generative AI for travel planning based on five characteristics: reliability, accountability, trustworthiness, fairness and transparency.”
Phys.org 21 Oct 2026

Etymology

From trustworthy + -ness.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Occasional
Level
C1 · Advanced
Updated

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English Reference