fulminate
verb (used without object)
to explode with a loud noise; detonate.
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.
Mr. Norman Schryhart, who, through his publisher, had been fulminating defensively against Cowperwood, stared solemnly at Mr. Ricketts when they met.
From The Titan by Theodore Dreiser