err
verb (used without object)
to go astray in thought or belief; be mistaken; be incorrect.
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
To simplify a complex issue, if some singers make a mistake by pushing their voices in an attempt to produce more sound, Ms. Goerke had been erring by reining hers in.
From New York Times ● Feb. 2, 2015