Erratic: Unpredictable and Inconsistent

Erratic describes something or someone that is not consistent, irregular, or unpredictable in behavior, movement, or performance. It’s often used to highlight instability or a lack of reliability.





Definition



Erratic (adjective):


  1. Not even or regular in pattern or movement; unpredictable.
  2. Deviating from the usual or proper course in behavior or opinion.




  • “His erratic driving made everyone in the car nervous.”
  • “The artist was known for her erratic moods and bursts of inspiration.”






Synonyms



  • Unstable
  • Inconsistent
  • Irregular
  • Unreliable
  • Capricious
  • Spasmodic






Antonyms



  • Steady
  • Predictable
  • Consistent
  • Reliable
  • Regular






Examples in Sentences



  • “The stock market has been erratic this week due to economic uncertainty.”
  • “Her erratic attendance made it hard to keep her on the team.”
  • “Lightning struck in an erratic pattern across the sky.”






Common Uses



  • Behavior: Describing someone whose actions or emotions fluctuate unpredictably.
  • Movement: Referring to jerky or uneven motions (e.g., erratic flight of a bird).
  • Performance: Describing inconsistent results, like erratic test scores or effort.