croak
verb (used without object)
to utter a low-pitched, harsh cry, as the sound of a frog or a raven.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"No; but Pierre has been croaking and prophesying evil, and although I in no way agree with him, it has still made me uneasy."
From Saint Bartholomew's Eve A Tale of the Huguenot WarS by Henty, G. A. (George Alfred)