Erratic
Adjective
UK
/ɪˈrætɪk/
US
/ɪˈrædɪk/
Definition
Not regular, consistent, or predictable; changing unexpectedly in behavior, quality, or movement.
Example
"His erratic mood swings made it difficult for friends to understand or support him effectively."
"The stock market showed erratic behavior throughout the week, with sudden jumps and drops confusing even seasoned investors."
"Her driving was so erratic that other drivers honked and swerved to avoid her unpredictable movements on the road."
Explanation
Not regular, consistent, or predictable; changing unexpectedly in behavior, quality, or movement.