Erratic and Unreliable

Erratic

Erratic adjective - Likely to perform unpredictably.
Usage example: erratic winds are the bane of a sailor

Unreliable is a synonym for erratic in unpredictable topic. In some cases you can use "Unreliable" instead an adjective "Erratic", when it comes to topics like unstable. popular alternative

Nearby Word: errant

Unreliable

Unreliable adjective - Not worthy of reliance or trust.
Usage example: in the early 1950s computers were large and expensive and unreliable

Erratic is a synonym for unreliable in unstable topic. You can use "Erratic" instead an adjective "Unreliable", if it concerns topics such as undependable. popular alternative

Nearby Words: unreliability, unreliably

Both words in one sentence

  • Music / The Pretty Things In fact, he became so erratic and unreliable that he was fired by the time Get the Picture?
  • Web Video / Marble Hornets Unreliable Narrator: Jay's typo-laden, cryptic tweets, erratic posting patterns and blackouts have not done his credibility any good.
  • Literature / Second Apocalypse Unreliable Narrator: "The Four Revelations of Cinial’jin" is told from the perspective on an insane Erratic who has lost the ability to tell the present from the past.
Cite this Source
Unreliable and Erratic. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/erratic/unreliable
Erratic & Unreliable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/erratic/unreliable>.
Unreliable or Erratic. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/erratic/unreliable.
Google Ngram Viewer shows how "erratic" and "unreliable" have occurred on timeline