erratic
/ɪˈɹætɪk/ adjective C1- Unsteady, random; prone to unexpected changes; not consistent. · Henry has been getting erratic scores on his tests: 40% last week, but 98% this week.· When we found you on the street, your behavior was all erratic and it seemed like you were having a panic attack.
- Deviating from normal opinions or actions; eccentric; odd. · erratic conduct
From the library
But that Mycroft should break out in this erratic fashion!
“And now,” said he, “it really would be a good thing that we should all go over the house together and make certain that this rather erratic burglar did not, after all, carry anything away with him.”
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