Untrustworthy

//ˌʌnˈtɹʌstˌwɜː(ɹ)ði// adj

adj ·Moderate ·College level

Definitions

Adjective
  1. 1
    Not deserving of trust; unreliable.

    "While a corrupt Chuch and untrustworthy nobles and kings scraped for power, businessmen in Italy honored pledges of businessmen from England and Scandinavia. This trust (some have called it honor among thieves) is still a hallmark of modern brokerage."

Adjective
  1. 1
    not worthy of trust or belief wordnet

Synonyms

All synonyms
corruptdangerousdeceitfulderelictdesultorydevious

Example

More examples

"Don't have anything to do with him. He is completely untrustworthy."

Etymology

From un- + trustworthy.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.