WordLens

unreliable

1 of 1adjective
/ˌʌnrɪˈlaɪəbəl/
Forms:more unreliable,most unreliable
1

not deserving of trust or confidence

B2
  • The witness proved unreliable in court.
  • That source of information is unreliable.
  • He is considered unreliable by his colleagues.
  • She has an unreliable memory for names.
  • The service was unreliable during storms.
Antonyms:
2

posing potential danger

  • The bridge was deemed unreliable after the storm.
  • The roof's supports were unreliable after years of wear.
  • Unreliable machinery caused frequent accidents in the factory.
  • The structure was unreliable under heavy load.
  • Unreliable terrain made the hike hazardous.
Synonyms:
3

likely to be incorrect, misleading, or mistaken

  • The data proved unreliable after further analysis.
  • His testimony was unreliable due to inconsistencies.
  • Unreliable measurements distorted the experiment's results.
  • The website offers unreliable information.
  • Unreliable accounts of the event circulated online.
Synonyms: