erratic
/ɪˈrætɪk/
adjective
- Not regular, predictable, or consistent; tending to change suddenly and without reason.
- The stock market has been erratic this week, with prices jumping up and down.
- Her erratic behavior worried her friends, as she would go from happy to angry in seconds.
- The bus service has been erratic lately, sometimes arriving twenty minutes late.
- Moving or behaving in an irregular or unpredictable way, without a fixed course.
- A small boat drifted in erratic circles after its engine failed.
- The puppy ran in erratic patterns across the yard, chasing every butterfly it saw.
- The erratic path of the tornado made it hard for forecasters to warn everyone in time.
Antonyms
noun
- A rock or boulder that has been carried from its original location by a glacier and left in a different area.
- The large granite erratic in the middle of the field was left there by an ancient glacier.
- Geologists studied the erratic to learn about the direction of ice flow thousands of years ago.
- Hikers often stop to admire the massive erratic perched on the hillside.