stupefy
verb (used with object)
to put into a state of little or no sensibility; benumb the faculties of; put into a stupor.
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.
He was a brave man, but the cloud of doubt had been stupefying.
From The Traitors by E. Phillips (Edward Phillips) Oppenheim